Receiving Helpdesk

what are the prefixes in physics

by Dr. Angela Ankunding Sr. Published 3 years ago Updated 3 years ago

Common Units that Use Prefixes

  • metre (length) (m)
  • litre (volume) (L)
  • gram (mass/weight) (g)
  • joule (heat/energy) (J)
  • coulomb (charge) (C)
  • watt (power) (W)
  • volt (electrical potential difference) (V)
  • hertz (frequency) (Hz)
  • newton (force) (N)
  • pascal (pressure) (Pa)

More items...

It is important to note that the kilogram is the only SI unit with a prefix as part of its name and symbol.
...
Table 5. SI prefixes.
FactorNameSymbol
10-2centic
10-3millim
10-6microµ
10-9nanon
6 more rows

Full Answer

What are the 10 prefixes in chemistry?

4 rows · Mar 24, 2020 · SI Prefixes Used with Units in Physics, Chemistry and Engineering Symbol Name Factor μ micro 10 ...

How to convert units with prefixes?

4 rows · Dec 16, 2011 · Prefixes are useful for expressing units of physical quantities that are either very big or very ...

What are the prefixes for numbers 1 10?

We may write h W = 169 000 mm = 16 900 cm = 169 m = 0.169 km using the millimeter (SI prefix milli, symbol m), centimeter (SI prefix centi, symbol c), or kilometer (SI prefix kilo, symbol k). Because the SI prefixes strictly represent powers of 10, …

What are metric prefixes?

The deca prefix is sometimes written deka and is abbreviated dk. Spellings may vary, but its ...

What is prefix in physics and examples?

SI Prefixes Used with Units in Physics, Chemistry and EngineeringSymbolNameExampleppico7 pF = 7 × 10 -12 F = 0.000 000 000 007 faradsnnano5 nm = 5 × 10 -9 m = 0.000 000 005 metersμmicro6 μm = 6 × 10 -6 m = 0.000 006 metersmmilli5 mm = 5 × 10 -3 m = 0.005 meters16 more rows

How many prefixes are there in physics?

The 20 SI Prefixes - Electrical & Computer Engineering.

What are the 8 prefixes?

Prefix Progress. 1795 – The original 8 SI prefixes that were officially adopted: deca, hecto, kilo, myria, deci, centi, milli, and myrio, derived from Greek and Latin numbers.

How do you find prefixes in physics?

0:233:25Conversion of a Prefix to Another Prefix | Introduction to PhysicsYouTubeStart of suggested clipEnd of suggested clipSo we divided by 10 to the power of nine. So is here for normal number to prefix with the via. Then.MoreSo we divided by 10 to the power of nine. So is here for normal number to prefix with the via. Then. This is equal to 0.23. Next one zero point zero zero 3 4 2 micrometer.

What is an example of a prefix word?

A prefix is a group of letters placed before the root of a word. For example, the word “unhappy” consists of the prefix “un-” [which means “not”] combined with the root (or stem) word “happy”; the word “unhappy” means “not happy.”

What are prefixes in science?

Scientific prefixes are words which are added to the beginning of other words.

What are the 10 prefixes?

SI Prefixes and Symbols Used to Denote Powers of 10PrefixMultipleSymboldeca10dadeci10-1dcenti10-2cmilli10-3m19 more rows

What are the 10 prefixes in chemistry?

Naming molecules in chemistryNumberPrefix7Hepta-8Octa-9Nona-10Deca-8 more rows

What is the prefix for 10 5?

Metric Prefixes & ConversionPrefixSymbolMultiply bycentimillicm10-5microµ10-6nanon10-9picop10-1221 more rows

How do you find prefixes?

You can determine network prefixes by converting the IP address of the subnet.Determine the full subnet mask IP address, such as 255.255. 255.192. ... Convert each octet of the subnet mask to a binary value. Using the previous example, the result is 11111111.11111111. ... Tip. The Class A subnet mask is 255.0.

How do you calculate prefixes?

2:197:38How to Convert Metric System Prefixes | Crash Chemistry AcademyYouTubeStart of suggested clipEnd of suggested clipSimply by subtracting the exponents represented by it prefixes kilo has an exponent of 3 deci isMoreSimply by subtracting the exponents represented by it prefixes kilo has an exponent of 3 deci is negative 1 and so the difference is 4 which becomes the exponent.

What are suffixes and prefixes?

A prefix is a word part added to the beginning of a word that changes the word's meaning. A suffix is a word part added to the end of a word that changes the word's meaning. Learning the meanings of prefixes and suffixes will help expand your vocabulary, which will help improve your writing.

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 1 2 3 4 5 6 7 8 9
8.3.21PHP Version724msRequest Duration2MBMemory UsageGET {post}Route
  • warninglog[17:25:57] LOG.warning: Creation of dynamic property Barryvdh\Debugbar\DataFormatter\QueryFormatter:...
  • warninglog[17:25:57] LOG.warning: Creation of dynamic property Barryvdh\Debugbar\DataFormatter\QueryFormatter:...
  • warninglog[17:25:57] LOG.warning: Callables of the form ["Swift_SmtpTransport", "Swift_Transport_EsmtpTranspor...
  • warninglog[17:25:57] LOG.warning: Creation of dynamic property Barryvdh\Debugbar\DataFormatter\SimpleFormatter...
  • warninglog[17:25:57] LOG.warning: Creation of dynamic property Barryvdh\Debugbar\DataFormatter\SimpleFormatter...
  • warninglog[17:25:57] LOG.warning: json_decode(): Passing null to parameter #1 ($json) of type string is deprec...
  • warninglog[17:25:57] LOG.warning: json_decode(): Passing null to parameter #1 ($json) of type string is deprec...
  • warninglog[17:25:57] LOG.warning: json_decode(): Passing null to parameter #1 ($json) of type string is deprec...
  • warninglog[17:25:57] LOG.warning: json_decode(): Passing null to parameter #1 ($json) of type string is deprec...
  • warninglog[17:25:57] LOG.warning: json_decode(): Passing null to parameter #1 ($json) of type string is deprec...
  • warninglog[17:25:57] LOG.warning: json_decode(): Passing null to parameter #1 ($json) of type string is deprec...
  • Booting (12.12ms)
  • Application (711ms)
  • 1 x Application (98.28%)
    711.44ms
    1 x Booting (1.67%)
    12.12ms
    7 templates were rendered
    • themes.DevBlog.content.post (resources/views/themes/DevBlog/content/post.blade.php)34blade
      Params
      0
      post
      1
      postContent
      2
      author
      3
      updated_at
      4
      bing_rich_snippet_text
      5
      bing_rich_snippet_link
      6
      bing_related_keywords
      7
      google_related_keywords
      8
      bing_news_title
      9
      bing_news_description
      10
      bing_videos
      11
      bing_images
      12
      bing_search_result_title
      13
      bing_search_result_description
      14
      bing_search_result_url
      15
      bing_paa_questions
      16
      bing_paa_answers
      17
      bing_slider_faq_questions
      18
      bing_slider_faq_answers
      19
      bing_pop_faq_questions
      20
      bing_pop_faq_answers
      21
      bing_tab_faq_questions
      22
      bing_tab_faq_answers
      23
      google_faq_questions
      24
      google_faq_answers
      25
      google_rich_snippet
      26
      google_search_result
      27
      indexedArray
      28
      total_images
      29
      total_videos
      30
      settings
      31
      url_current
      32
      menus
      33
      sidebar
    • themes.DevBlog.layouts.master (resources/views/themes/DevBlog/layouts/master.blade.php)41blade
      Params
      0
      __env
      1
      app
      2
      errors
      3
      post
      4
      postContent
      5
      author
      6
      updated_at
      7
      bing_rich_snippet_text
      8
      bing_rich_snippet_link
      9
      bing_related_keywords
      10
      google_related_keywords
      11
      bing_news_title
      12
      bing_news_description
      13
      bing_videos
      14
      bing_images
      15
      bing_search_result_title
      16
      bing_search_result_description
      17
      bing_search_result_url
      18
      bing_paa_questions
      19
      bing_paa_answers
      20
      bing_slider_faq_questions
      21
      bing_slider_faq_answers
      22
      bing_pop_faq_questions
      23
      bing_pop_faq_answers
      24
      bing_tab_faq_questions
      25
      bing_tab_faq_answers
      26
      google_faq_questions
      27
      google_faq_answers
      28
      google_rich_snippet
      29
      google_search_result
      30
      indexedArray
      31
      total_images
      32
      total_videos
      33
      settings
      34
      url_current
      35
      menus
      36
      sidebar
      37
      i
      38
      __currentLoopData
      39
      loop
      40
      item
    • themes.DevBlog.panels.head (resources/views/themes/DevBlog/panels/head.blade.php)41blade
      Params
      0
      __env
      1
      app
      2
      errors
      3
      post
      4
      postContent
      5
      author
      6
      updated_at
      7
      bing_rich_snippet_text
      8
      bing_rich_snippet_link
      9
      bing_related_keywords
      10
      google_related_keywords
      11
      bing_news_title
      12
      bing_news_description
      13
      bing_videos
      14
      bing_images
      15
      bing_search_result_title
      16
      bing_search_result_description
      17
      bing_search_result_url
      18
      bing_paa_questions
      19
      bing_paa_answers
      20
      bing_slider_faq_questions
      21
      bing_slider_faq_answers
      22
      bing_pop_faq_questions
      23
      bing_pop_faq_answers
      24
      bing_tab_faq_questions
      25
      bing_tab_faq_answers
      26
      google_faq_questions
      27
      google_faq_answers
      28
      google_rich_snippet
      29
      google_search_result
      30
      indexedArray
      31
      total_images
      32
      total_videos
      33
      settings
      34
      url_current
      35
      menus
      36
      sidebar
      37
      i
      38
      __currentLoopData
      39
      loop
      40
      item
    • themes.DevBlog.panels.header (resources/views/themes/DevBlog/panels/header.blade.php)41blade
      Params
      0
      __env
      1
      app
      2
      errors
      3
      post
      4
      postContent
      5
      author
      6
      updated_at
      7
      bing_rich_snippet_text
      8
      bing_rich_snippet_link
      9
      bing_related_keywords
      10
      google_related_keywords
      11
      bing_news_title
      12
      bing_news_description
      13
      bing_videos
      14
      bing_images
      15
      bing_search_result_title
      16
      bing_search_result_description
      17
      bing_search_result_url
      18
      bing_paa_questions
      19
      bing_paa_answers
      20
      bing_slider_faq_questions
      21
      bing_slider_faq_answers
      22
      bing_pop_faq_questions
      23
      bing_pop_faq_answers
      24
      bing_tab_faq_questions
      25
      bing_tab_faq_answers
      26
      google_faq_questions
      27
      google_faq_answers
      28
      google_rich_snippet
      29
      google_search_result
      30
      indexedArray
      31
      total_images
      32
      total_videos
      33
      settings
      34
      url_current
      35
      menus
      36
      sidebar
      37
      i
      38
      __currentLoopData
      39
      loop
      40
      item
    • themes.DevBlog.panels.navbar (resources/views/themes/DevBlog/panels/navbar.blade.php)41blade
      Params
      0
      __env
      1
      app
      2
      errors
      3
      post
      4
      postContent
      5
      author
      6
      updated_at
      7
      bing_rich_snippet_text
      8
      bing_rich_snippet_link
      9
      bing_related_keywords
      10
      google_related_keywords
      11
      bing_news_title
      12
      bing_news_description
      13
      bing_videos
      14
      bing_images
      15
      bing_search_result_title
      16
      bing_search_result_description
      17
      bing_search_result_url
      18
      bing_paa_questions
      19
      bing_paa_answers
      20
      bing_slider_faq_questions
      21
      bing_slider_faq_answers
      22
      bing_pop_faq_questions
      23
      bing_pop_faq_answers
      24
      bing_tab_faq_questions
      25
      bing_tab_faq_answers
      26
      google_faq_questions
      27
      google_faq_answers
      28
      google_rich_snippet
      29
      google_search_result
      30
      indexedArray
      31
      total_images
      32
      total_videos
      33
      settings
      34
      url_current
      35
      menus
      36
      sidebar
      37
      i
      38
      __currentLoopData
      39
      loop
      40
      item
    • themes.DevBlog.panels.footer (resources/views/themes/DevBlog/panels/footer.blade.php)41blade
      Params
      0
      __env
      1
      app
      2
      errors
      3
      post
      4
      postContent
      5
      author
      6
      updated_at
      7
      bing_rich_snippet_text
      8
      bing_rich_snippet_link
      9
      bing_related_keywords
      10
      google_related_keywords
      11
      bing_news_title
      12
      bing_news_description
      13
      bing_videos
      14
      bing_images
      15
      bing_search_result_title
      16
      bing_search_result_description
      17
      bing_search_result_url
      18
      bing_paa_questions
      19
      bing_paa_answers
      20
      bing_slider_faq_questions
      21
      bing_slider_faq_answers
      22
      bing_pop_faq_questions
      23
      bing_pop_faq_answers
      24
      bing_tab_faq_questions
      25
      bing_tab_faq_answers
      26
      google_faq_questions
      27
      google_faq_answers
      28
      google_rich_snippet
      29
      google_search_result
      30
      indexedArray
      31
      total_images
      32
      total_videos
      33
      settings
      34
      url_current
      35
      menus
      36
      sidebar
      37
      i
      38
      __currentLoopData
      39
      loop
      40
      item
    • themes.DevBlog.panels.scripts (resources/views/themes/DevBlog/panels/scripts.blade.php)41blade
      Params
      0
      __env
      1
      app
      2
      errors
      3
      post
      4
      postContent
      5
      author
      6
      updated_at
      7
      bing_rich_snippet_text
      8
      bing_rich_snippet_link
      9
      bing_related_keywords
      10
      google_related_keywords
      11
      bing_news_title
      12
      bing_news_description
      13
      bing_videos
      14
      bing_images
      15
      bing_search_result_title
      16
      bing_search_result_description
      17
      bing_search_result_url
      18
      bing_paa_questions
      19
      bing_paa_answers
      20
      bing_slider_faq_questions
      21
      bing_slider_faq_answers
      22
      bing_pop_faq_questions
      23
      bing_pop_faq_answers
      24
      bing_tab_faq_questions
      25
      bing_tab_faq_answers
      26
      google_faq_questions
      27
      google_faq_answers
      28
      google_rich_snippet
      29
      google_search_result
      30
      indexedArray
      31
      total_images
      32
      total_videos
      33
      settings
      34
      url_current
      35
      menus
      36
      sidebar
      37
      i
      38
      __currentLoopData
      39
      loop
      40
      item
    uri
    GET {post}
    middleware
    web, checkdate
    as
    post.show
    controller
    App\Http\Controllers\Frontend\json_data\PostController@show
    namespace
    where
    file
    app/Http/Controllers/Frontend/json_data/PostController.php:18-166
    7 statements were executed690ms
    • select * from `posts` where `published_at` <= '2025-06-24 17:25:57' and `slug` = 'what-are-the-prefixes-in-physics' and `posts`.`deleted_at` is null limit 1
      2.67ms/app/Providers/RouteServiceProvider.php:54receivinghelpdeskask
      Metadata
      Bindings
      • 0. 2025-06-24 17:25:57
      • 1. what-are-the-prefixes-in-physics
      Backtrace
      • 15. /app/Providers/RouteServiceProvider.php:54
      • 18. /vendor/laravel/framework/src/Illuminate/Routing/Router.php:842
      • 19. Route binding:39
      • 20. /vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php:167
      • 21. /vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/VerifyCsrfToken.php:78
    • select * from `json_post_contents` where `json_post_contents`.`post_id` = 132603 and `json_post_contents`.`post_id` is not null and `rewrite_id` = 0
      2.26msmiddleware::checkdate:30receivinghelpdeskask
      Metadata
      Bindings
      • 0. 132603
      • 1. 0
      Backtrace
      • 19. middleware::checkdate:30
      • 20. /vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php:167
      • 21. /vendor/laravel/jetstream/src/Http/Middleware/ShareInertiaData.php:61
      • 22. /vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php:167
      • 23. /vendor/laravel/framework/src/Illuminate/Routing/Middleware/SubstituteBindings.php:50
    • select * from `nova_menu_menus` where `slug` = 'header' limit 1
      1.1ms/vendor/outl1ne/nova-menu-builder/src/helpers.php:32receivinghelpdeskask
      Metadata
      Bindings
      • 0. header
      Backtrace
      • 15. /vendor/outl1ne/nova-menu-builder/src/helpers.php:32
      • 17. /vendor/laravel/framework/src/Illuminate/Routing/Controller.php:54
      • 18. /vendor/laravel/framework/src/Illuminate/Routing/ControllerDispatcher.php:45
      • 19. /vendor/laravel/framework/src/Illuminate/Routing/Route.php:261
      • 20. /vendor/laravel/framework/src/Illuminate/Routing/Route.php:205
    • select * from `nova_menu_menu_items` where `nova_menu_menu_items`.`menu_id` = 1 and `nova_menu_menu_items`.`menu_id` is not null and `parent_id` is null order by `parent_id` asc, `order` asc, `name` asc
      580μs/vendor/outl1ne/nova-menu-builder/src/Models/Menu.php:35receivinghelpdeskask
      Metadata
      Bindings
      • 0. 1
      Backtrace
      • 19. /vendor/outl1ne/nova-menu-builder/src/Models/Menu.php:35
      • 20. /vendor/outl1ne/nova-menu-builder/src/helpers.php:33
      • 22. /vendor/laravel/framework/src/Illuminate/Routing/Controller.php:54
      • 23. /vendor/laravel/framework/src/Illuminate/Routing/ControllerDispatcher.php:45
      • 24. /vendor/laravel/framework/src/Illuminate/Routing/Route.php:261
    • select * from `nova_menu_menu_items` where `nova_menu_menu_items`.`parent_id` in (1) order by `order` asc
      200μs/vendor/outl1ne/nova-menu-builder/src/Models/Menu.php:35receivinghelpdeskask
      Metadata
      Backtrace
      • 24. /vendor/outl1ne/nova-menu-builder/src/Models/Menu.php:35
      • 25. /vendor/outl1ne/nova-menu-builder/src/helpers.php:33
      • 27. /vendor/laravel/framework/src/Illuminate/Routing/Controller.php:54
      • 28. /vendor/laravel/framework/src/Illuminate/Routing/ControllerDispatcher.php:45
      • 29. /vendor/laravel/framework/src/Illuminate/Routing/Route.php:261
    • select `id`, `post_title`, `slug` from `posts` where `status` = 'publish' and `posts`.`deleted_at` is null order by RAND() limit 10
      682ms/app/View/Composers/SidebarView.php:22receivinghelpdeskask
      Metadata
      Bindings
      • 0. publish
      Backtrace
      • 14. /app/View/Composers/SidebarView.php:22
      • 15. /app/View/Composers/SidebarView.php:12
      • 16. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:124
      • 17. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:162
      • 20. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:177
    • select * from `fake_users` where `fake_users`.`id` = 26229 limit 1
      1.05msview::2dd102cf0462e89a4d4d8bc77355d767652bf9aa:15receivinghelpdeskask
      Metadata
      Bindings
      • 0. 26229
      Backtrace
      • 21. view::2dd102cf0462e89a4d4d8bc77355d767652bf9aa:15
      • 23. /vendor/laravel/framework/src/Illuminate/Filesystem/Filesystem.php:108
      • 24. /vendor/laravel/framework/src/Illuminate/View/Engines/PhpEngine.php:58
      • 25. /vendor/livewire/livewire/src/ComponentConcerns/RendersLivewireComponents.php:69
      • 26. /vendor/laravel/framework/src/Illuminate/View/Engines/CompilerEngine.php:61
    App\Models\FakeUser
    1
    Outl1ne\MenuBuilder\Models\MenuItem
    1
    Outl1ne\MenuBuilder\Models\Menu
    1
    App\Models\JsonPostContent
    1
    App\Models\Post
    11
        _token
        8JFrKKebRaazxGqwcjUvAD49FP7LZUHMnQIHNnLz
        _previous
        array:1 [ "url" => "https://receivinghelpdesk.com/ask/what-are-the-prefixes-in-physics" ]
        _flash
        array:2 [ "old" => [] "new" => [] ]
        PHPDEBUGBAR_STACK_DATA
        []
        path_info
        /what-are-the-prefixes-in-physics
        status_code
        200
        
        status_text
        OK
        format
        html
        content_type
        text/html; charset=UTF-8
        request_query
        []
        
        request_request
        []
        
        request_headers
        0 of 0
        array:25 [ "cookie" => array:1 [ 0 => "_pk_id.64.7c30=55b96ba5f9843af3.1750766151.; _pk_ses.64.7c30=1; XSRF-TOKEN=eyJpdiI6IjRjWHQ4aS9YUWZoMzFvU0RZdDVLRnc9PSIsInZhbHVlIjoib1dyQUFYOGFLNXFRRU45TlhqWVQ0VzZYYWpBaUdvSmF4aDhQNWxWU3FxUjhuN0UvNnFpVy9GUmIvV3lEYVpvbGVRckNEcTlEdW00anB5bkZGU2JISUpkMW9hbTVxWm9ma21TV09VU1FCREZiWDlsTEV1MUR5elNKZmtRdlhjQm0iLCJtYWMiOiIyNmIxZDY3MGVlNjljMDVhN2JhYzc4N2FiYjFmOTVkY2E2MzA3NTlhOTk1N2ZlMDk1ZTUyMTc3ZjY5ODliM2Y0IiwidGFnIjoiIn0%3D; askhelpdesk_session=eyJpdiI6IkE0RWM3QTk3aDRPS0JGY3hnWUJEZEE9PSIsInZhbHVlIjoiRXFVbFdiaDh5SG0yelFUQmduOUE3dDlqTkFsUkFRcDVOL0ZwYkRZMktmOU02Nk4rYmE0dUFXQzZFWTV3TlN6UERDOXVkTG5QN2YvOWNjUGo1L1IrNlRvcU9Ic3lpQVMzVE1vSjRCUWFYS0p5Y2dNTlV1d3g5VVV5eWtSUmxhZkwiLCJtYWMiOiJlMmY4OGYzZjk4YmE2YTk0MTBmNjlmMmUyNWM3NWE3YjQ1YTFkOTIyN2FjZDE3NGJiMDMyODI2NzgzMjBiZTIwIiwidGFnIjoiIn0%3D_pk_id.64.7c30=55b96ba5f9843af3.1750766151.; _pk_ses.64.7c30=1; XSRF-TOKEN=eyJpdiI6IjRjWHQ4aS9YUWZoMzFvU0RZdDVLRnc9PSIsInZhbHVlIjoib1dyQUFYOGFLNXFRRU45TlhqWVQ0V" ] "cf-ipcountry" => array:1 [ 0 => "US" ] "cf-connecting-ip" => array:1 [ 0 => "216.73.216.102" ] "cdn-loop" => array:1 [ 0 => "cloudflare; loops=1" ] "sec-fetch-mode" => array:1 [ 0 => "navigate" ] "sec-fetch-site" => array:1 [ 0 => "none" ] "accept" => array:1 [ 0 => "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7" ] "user-agent" => array:1 [ 0 => "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)" ] "upgrade-insecure-requests" => array:1 [ 0 => "1" ] "sec-ch-ua-platform" => array:1 [ 0 => ""Windows"" ] "sec-ch-ua-mobile" => array:1 [ 0 => "?0" ] "sec-ch-ua" => array:1 [ 0 => ""Chromium";v="130", "HeadlessChrome";v="130", "Not?A_Brand";v="99"" ] "cache-control" => array:1 [ 0 => "no-cache" ] "pragma" => array:1 [ 0 => "no-cache" ] "accept-encoding" => array:1 [ 0 => "gzip, br" ] "cf-ray" => array:1 [ 0 => "954c0a0148de9a2e-ORD" ] "priority" => array:1 [ 0 => "u=0, i" ] "sec-fetch-dest" => array:1 [ 0 => "document" ] "sec-fetch-user" => array:1 [ 0 => "?1" ] "cf-visitor" => array:1 [ 0 => "{"scheme":"https"}" ] "connection" => array:1 [ 0 => "close" ] "x-forwarded-proto" => array:1 [ 0 => "https" ] "x-forwarded-for" => array:1 [ 0 => "216.73.216.102, 172.69.17.96" ] "x-server-addr" => array:1 [ 0 => "154.12.239.204" ] "host" => array:1 [ 0 => "receivinghelpdesk.com" ] ]
        request_server
        0 of 0
        array:56 [ "USER" => "runcloud" "HOME" => "/home/runcloud" "SCRIPT_NAME" => "/ask/index.php" "REQUEST_URI" => "/ask/what-are-the-prefixes-in-physics" "QUERY_STRING" => "" "REQUEST_METHOD" => "GET" "SERVER_PROTOCOL" => "HTTP/1.0" "GATEWAY_INTERFACE" => "CGI/1.1" "REDIRECT_URL" => "/ask/what-are-the-prefixes-in-physics" "REMOTE_PORT" => "42710" "SCRIPT_FILENAME" => "/home/runcloud/webapps/ReceivingHelpDesk/ask/index.php" "SERVER_ADMIN" => "you@example.com" "CONTEXT_DOCUMENT_ROOT" => "/home/runcloud/webapps/ReceivingHelpDesk/" "CONTEXT_PREFIX" => "" "REQUEST_SCHEME" => "http" "DOCUMENT_ROOT" => "/home/runcloud/webapps/ReceivingHelpDesk/" "REMOTE_ADDR" => "172.69.17.96" "SERVER_PORT" => "80" "SERVER_ADDR" => "127.0.0.1" "SERVER_NAME" => "receivinghelpdesk.com" "SERVER_SOFTWARE" => "Apache/2.4.63 (Unix) OpenSSL/1.1.1f" "SERVER_SIGNATURE" => "" "LD_LIBRARY_PATH" => "/RunCloud/Packages/apache2-rc/lib" "PATH" => "/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" "HTTP_COOKIE" => "_pk_id.64.7c30=55b96ba5f9843af3.1750766151.; _pk_ses.64.7c30=1; XSRF-TOKEN=eyJpdiI6IjRjWHQ4aS9YUWZoMzFvU0RZdDVLRnc9PSIsInZhbHVlIjoib1dyQUFYOGFLNXFRRU45TlhqWVQ0VzZYYWpBaUdvSmF4aDhQNWxWU3FxUjhuN0UvNnFpVy9GUmIvV3lEYVpvbGVRckNEcTlEdW00anB5bkZGU2JISUpkMW9hbTVxWm9ma21TV09VU1FCREZiWDlsTEV1MUR5elNKZmtRdlhjQm0iLCJtYWMiOiIyNmIxZDY3MGVlNjljMDVhN2JhYzc4N2FiYjFmOTVkY2E2MzA3NTlhOTk1N2ZlMDk1ZTUyMTc3ZjY5ODliM2Y0IiwidGFnIjoiIn0%3D; askhelpdesk_session=eyJpdiI6IkE0RWM3QTk3aDRPS0JGY3hnWUJEZEE9PSIsInZhbHVlIjoiRXFVbFdiaDh5SG0yelFUQmduOUE3dDlqTkFsUkFRcDVOL0ZwYkRZMktmOU02Nk4rYmE0dUFXQzZFWTV3TlN6UERDOXVkTG5QN2YvOWNjUGo1L1IrNlRvcU9Ic3lpQVMzVE1vSjRCUWFYS0p5Y2dNTlV1d3g5VVV5eWtSUmxhZkwiLCJtYWMiOiJlMmY4OGYzZjk4YmE2YTk0MTBmNjlmMmUyNWM3NWE3YjQ1YTFkOTIyN2FjZDE3NGJiMDMyODI2NzgzMjBiZTIwIiwidGFnIjoiIn0%3D_pk_id.64.7c30=55b96ba5f9843af3.1750766151.; _pk_ses.64.7c30=1; XSRF-TOKEN=eyJpdiI6IjRjWHQ4aS9YUWZoMzFvU0RZdDVLRnc9PSIsInZhbHVlIjoib1dyQUFYOGFLNXFRRU45TlhqWVQ0V" "HTTP_CF_IPCOUNTRY" => "US" "HTTP_CF_CONNECTING_IP" => "216.73.216.102" "HTTP_CDN_LOOP" => "cloudflare; loops=1" "HTTP_SEC_FETCH_MODE" => "navigate" "HTTP_SEC_FETCH_SITE" => "none" "HTTP_ACCEPT" => "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7" "HTTP_USER_AGENT" => "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)" "HTTP_UPGRADE_INSECURE_REQUESTS" => "1" "HTTP_SEC_CH_UA_PLATFORM" => ""Windows"" "HTTP_SEC_CH_UA_MOBILE" => "?0" "HTTP_SEC_CH_UA" => ""Chromium";v="130", "HeadlessChrome";v="130", "Not?A_Brand";v="99"" "HTTP_CACHE_CONTROL" => "no-cache" "HTTP_PRAGMA" => "no-cache" "HTTP_ACCEPT_ENCODING" => "gzip, br" "HTTP_CF_RAY" => "954c0a0148de9a2e-ORD" "HTTP_PRIORITY" => "u=0, i" "HTTP_SEC_FETCH_DEST" => "document" "HTTP_SEC_FETCH_USER" => "?1" "HTTP_CF_VISITOR" => "{"scheme":"https"}" "HTTP_CONNECTION" => "close" "HTTP_X_FORWARDED_PROTO" => "https" "HTTP_X_FORWARDED_FOR" => "216.73.216.102, 172.69.17.96" "HTTP_X_SERVER_ADDR" => "154.12.239.204" "HTTP_HOST" => "receivinghelpdesk.com" "HTTPS" => "on" "REDIRECT_STATUS" => "200" "REDIRECT_HTTPS" => "on" "FCGI_ROLE" => "RESPONDER" "PHP_SELF" => "/ask/index.php" "REQUEST_TIME_FLOAT" => 1750766157.0166 "REQUEST_TIME" => 1750766157 ]
        request_cookies
        0 of 0
        array:4 [ "_pk_id_64_7c30" => null "_pk_ses_64_7c30" => null "XSRF-TOKEN" => "8JFrKKebRaazxGqwcjUvAD49FP7LZUHMnQIHNnLz" "askhelpdesk_session" => "pmy5zNapJl8G2S72kQCkqmV6xz2RBiX9HWZy3Omx" ]
        response_headers
        0 of 0
        array:7 [ "content-type" => array:1 [ 0 => "text/html; charset=UTF-8" ] "cache-control" => array:1 [ 0 => "private, must-revalidate" ] "date" => array:1 [ 0 => "Tue, 24 Jun 2025 11:55:57 GMT" ] "pragma" => array:1 [ 0 => "no-cache" ] "expires" => array:1 [ 0 => -1 ] "set-cookie" => array:2 [ 0 => "XSRF-TOKEN=eyJpdiI6ImkwQVR6MEhKcHFiS0lmUEw5KzVXb1E9PSIsInZhbHVlIjoiVFBpT3dzVHpPbU9RWUFnamtpUExSRUVSak83RlIrQXJkU2xmbXhCSUovMUtOVFhUYlJsK3UwTzBqMlhBT09uSkJheUlUYTVTck9tZUkrWlV1VGJ3R2RLMGJJdEM0aVV1aHQzcHpMc28zZEl4VW4wWmFaSXZMMXJ1UmFQVnlVMFgiLCJtYWMiOiIwZDQ5ZDYzM2U3YWQ2YTViZGNhNTNhN2I1YmNiZTIxZDA0MzlhMDc5ZjExNTk1MWIwMTEwN2Y2ODQwNjlkNDQ2IiwidGFnIjoiIn0%3D; expires=Tue, 24-Jun-2025 13:55:57 GMT; Max-Age=7200; path=/; samesite=laxXSRF-TOKEN=eyJpdiI6ImkwQVR6MEhKcHFiS0lmUEw5KzVXb1E9PSIsInZhbHVlIjoiVFBpT3dzVHpPbU9RWUFnamtpUExSRUVSak83RlIrQXJkU2xmbXhCSUovMUtOVFhUYlJsK3UwTzBqMlhBT09uSkJheUlUY" 1 => "askhelpdesk_session=eyJpdiI6ImlybjBJRmpwZWVUL2FEMys3UXNIVlE9PSIsInZhbHVlIjoiMmllaEdBdnlteUlyQXp3S1FGUHVqLzhmRjJCTTBUVlkxTUVSZ1o3Z2lhWjFHMVVPQW1hRStkdUZ6ZzIvSVNRYjR5d3U3T1JtRzY2MFZOK3hJSytwalRJd2lDVGxhWDlSWitGVVdMUlh5RzJtQktEcU5jQ1VGcnNJQjgzNnlBQVAiLCJtYWMiOiIzMWY4ZDQ1NTI4YTNmYjNlYThmM2Q0MDhjNTQ4NDg1ZGFkYThkYTVmN2Q2Y2I5NzU2M2E1MTFjYzNlNGRlMGE1IiwidGFnIjoiIn0%3D; expires=Tue, 24-Jun-2025 13:55:57 GMT; Max-Age=7200; path=/; httponly; samesite=laxaskhelpdesk_session=eyJpdiI6ImlybjBJRmpwZWVUL2FEMys3UXNIVlE9PSIsInZhbHVlIjoiMmllaEdBdnlteUlyQXp3S1FGUHVqLzhmRjJCTTBUVlkxTUVSZ1o3Z2lhWjFHMVVPQW1hRStkdUZ6ZzIvSVNR" ] "Set-Cookie" => array:2 [ 0 => "XSRF-TOKEN=eyJpdiI6ImkwQVR6MEhKcHFiS0lmUEw5KzVXb1E9PSIsInZhbHVlIjoiVFBpT3dzVHpPbU9RWUFnamtpUExSRUVSak83RlIrQXJkU2xmbXhCSUovMUtOVFhUYlJsK3UwTzBqMlhBT09uSkJheUlUYTVTck9tZUkrWlV1VGJ3R2RLMGJJdEM0aVV1aHQzcHpMc28zZEl4VW4wWmFaSXZMMXJ1UmFQVnlVMFgiLCJtYWMiOiIwZDQ5ZDYzM2U3YWQ2YTViZGNhNTNhN2I1YmNiZTIxZDA0MzlhMDc5ZjExNTk1MWIwMTEwN2Y2ODQwNjlkNDQ2IiwidGFnIjoiIn0%3D; expires=Tue, 24-Jun-2025 13:55:57 GMT; path=/XSRF-TOKEN=eyJpdiI6ImkwQVR6MEhKcHFiS0lmUEw5KzVXb1E9PSIsInZhbHVlIjoiVFBpT3dzVHpPbU9RWUFnamtpUExSRUVSak83RlIrQXJkU2xmbXhCSUovMUtOVFhUYlJsK3UwTzBqMlhBT09uSkJheUlUY" 1 => "askhelpdesk_session=eyJpdiI6ImlybjBJRmpwZWVUL2FEMys3UXNIVlE9PSIsInZhbHVlIjoiMmllaEdBdnlteUlyQXp3S1FGUHVqLzhmRjJCTTBUVlkxTUVSZ1o3Z2lhWjFHMVVPQW1hRStkdUZ6ZzIvSVNRYjR5d3U3T1JtRzY2MFZOK3hJSytwalRJd2lDVGxhWDlSWitGVVdMUlh5RzJtQktEcU5jQ1VGcnNJQjgzNnlBQVAiLCJtYWMiOiIzMWY4ZDQ1NTI4YTNmYjNlYThmM2Q0MDhjNTQ4NDg1ZGFkYThkYTVmN2Q2Y2I5NzU2M2E1MTFjYzNlNGRlMGE1IiwidGFnIjoiIn0%3D; expires=Tue, 24-Jun-2025 13:55:57 GMT; path=/; httponlyaskhelpdesk_session=eyJpdiI6ImlybjBJRmpwZWVUL2FEMys3UXNIVlE9PSIsInZhbHVlIjoiMmllaEdBdnlteUlyQXp3S1FGUHVqLzhmRjJCTTBUVlkxTUVSZ1o3Z2lhWjFHMVVPQW1hRStkdUZ6ZzIvSVNR" ] ]
        session_attributes
        0 of 0
        array:4 [ "_token" => "8JFrKKebRaazxGqwcjUvAD49FP7LZUHMnQIHNnLz" "_previous" => array:1 [ "url" => "https://receivinghelpdesk.com/ask/what-are-the-prefixes-in-physics" ] "_flash" => array:2 [ "old" => [] "new" => [] ] "PHPDEBUGBAR_STACK_DATA" => [] ]