<div class="xblock xblock-public_view xblock-public_view-vertical" data-block-type="vertical" data-has-score="False" data-runtime-class="LmsRuntime" data-runtime-version="1" data-init="VerticalStudentView" data-request-token="9b1147ac435d11efae9816ffcfe1c469" data-graded="True" data-usage-id="block-v1:MITx+22.011x+3T2018+type@vertical+block@d6940b54d1224da1bfda4bf201185bed" data-course-id="course-v1:MITx+22.011x+3T2018">
<h2 class="hd hd-2 unit-title">1.1.12. Video Lecture</h2>
<div class="vert-mod">
<div class="vert vert-0" data-id="block-v1:MITx+22.011x+3T2018+type@video+block@e7e3be424e894cd3a3d26d4dcb0b57c7">
<div class="xblock xblock-public_view xblock-public_view-video xmodule_display xmodule_VideoBlock" data-block-type="video" data-has-score="False" data-runtime-class="LmsRuntime" data-runtime-version="1" data-init="XBlockToXModuleShim" data-request-token="9b1147ac435d11efae9816ffcfe1c469" data-graded="True" data-usage-id="block-v1:MITx+22.011x+3T2018+type@video+block@e7e3be424e894cd3a3d26d4dcb0b57c7" data-course-id="course-v1:MITx+22.011x+3T2018">
<script type="json/xblock-args" class="xblock-json-init-args">
{"xmodule-type": "Video"}
</script>
<h3 class="hd hd-2">Video</h3>
<div
id="video_e7e3be424e894cd3a3d26d4dcb0b57c7"
class="video closed"
data-metadata='{"transcriptAvailableTranslationsUrl": "/courses/course-v1:MITx+22.011x+3T2018/xblock/block-v1:MITx+22.011x+3T2018+type@video+block@e7e3be424e894cd3a3d26d4dcb0b57c7/handler/transcript/available_translations", "saveStateUrl": "/courses/course-v1:MITx+22.011x+3T2018/xblock/block-v1:MITx+22.011x+3T2018+type@video+block@e7e3be424e894cd3a3d26d4dcb0b57c7/handler/xmodule_handler/save_user_state", "streams": "1.00:ltESWwqGLwk", "transcriptLanguages": {"en": "English"}, "completionPercentage": 0.95, "autoplay": false, "start": 0.0, "ytApiUrl": "https://www.youtube.com/iframe_api", "sources": ["https://d2f1egay8yehza.cloudfront.net/MITx22.011x-V003400_DTH.mp4", "https://d2f1egay8yehza.cloudfront.net/MITx22.011x-V003400/MITx22.011x-V003400.m3u8"], "saveStateEnabled": false, "captionDataDir": null, "duration": 602.48, "autohideHtml5": false, "publishCompletionUrl": "/courses/course-v1:MITx+22.011x+3T2018/xblock/block-v1:MITx+22.011x+3T2018+type@video+block@e7e3be424e894cd3a3d26d4dcb0b57c7/handler/publish_completion", "prioritizeHls": false, "transcriptLanguage": "en", "recordedYoutubeIsAvailable": true, "autoAdvance": false, "ytTestTimeout": 1500, "transcriptTranslationUrl": "/courses/course-v1:MITx+22.011x+3T2018/xblock/block-v1:MITx+22.011x+3T2018+type@video+block@e7e3be424e894cd3a3d26d4dcb0b57c7/handler/transcript/translation/__lang__", "generalSpeed": 1.0, "lmsRootURL": "https://openlearninglibrary.mit.edu", "speed": null, "ytMetadataEndpoint": "", "completionEnabled": false, "savedVideoPosition": 0.0, "showCaptions": "true", "end": 0.0, "poster": "https://mitx-edx-video-meta-storage.s3.amazonaws.com/media/video-images/130242d7d6b642b5a40aa7d9d220a04b.png?Signature=Nf3MSuRIZjHU8TRzRUsbiAPaoXE%3D&AWSAccessKeyId=ASIA4QDFFSUR5JEHTGFN&Expires=1721125779&x-amz-security-token=IQoJb3JpZ2luX2VjEAoaCXVzLWVhc3QtMSJGMEQCIHDrz%2Bj2nfk4pqnxtY91LZTVfzO%2BznfykCjhqeEbwKU0AiBF9UngryuRJI%2Bkb1sF0FiPH4miIwWk%2FblceFs%2BD686PCrFBQjT%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F8BEAMaDDg1OTIwNTYzNzQxMSIMZD9ptrz7qS1DThprKpkFSIli3u69D3JcEr3ExIaZmCNw7LlpflsjYlFwa6dlgjCYDwqlngzEvcw2yIkiQ8Sfz26aAloFMEJA6hYozLm0EZppzaA9CqnWYEWcsvwJtja5OWl5JpGm57CwqdT%2Fg%2B93auSQK4BpZDd1FlMBTlMnTlQ%2BO%2FhnJX%2FfsTuWrkfXGxZTFxib8%2BGC7FjOF3c%2FGin1Q%2FoSr6FP0K2i%2B%2BNonPwot6ucu4tatbEMcGViLOf19qzrovhZk%2B%2FLsSD9vLWXnilOtVN2D1AszH28AniXZ8xZLZRszKMw0T3emv5nVINM0cOtj9PoZwTlssBJZzYvgWuSje17XWDdziS6DB8E5B3MsmKO%2F0MzYdYu%2FJMt6%2FhnnE9e%2BJuIgEMTUWQmGquMXgFOBSmH7TW4RER8yb3JbZjfG2r5o824CTrQhPH7JGJ3g0HB45fY8i1sbF0ipBEO30WZbN1OWButJwtop4VLuhGpKy437vgt87HMoUh9BBwIgmA70JKU0lOYybEkqABporyk%2BFvmU3ofVyAl1jHvi4VIhPcQ0bp9qdv%2FMzdn1IYfTON3PizQnawrLiVUurTIj3yIyT98TXIwFxlXuoIE6GJ%2BXhgazBviPPFicuqbJduzIoqlqZR5X%2FsHBTZGexEgg0fF%2FjaC6cqzj1PV%2FAtpWfrIm3ju8dfNyiz%2B0M7cuxcwZq%2BAy1Dq8EaEaWeIMP3EDEhb7kQOSqqh8a08DLmpYnYcycbIoFd7IybZusuy91gOGGzWiwiQtQNSUEbqLtzviYvK0BBcpnwvZw3GSyyIJfVE7ziINT%2FzM1F19OX4ujZgXX4v%2BHFdNKftYsaapOLHHZSM2rzBUNN%2B1ifycc59xrOBy6e8%2FxliKU2TYXDwJ8REYtbzUVHlJqXSUIUwqv3YtAY6sgH1kORpF%2BmASZ97BsCa3nr%2FpKzonNsdcNXMHT0jry9e0FHTbPF%2Brqmad4FD24lhtDlKuUq1BSxuDnEPVsdo2NSMJOpLQTUL%2FXcNReq9GGjhVH238R5W3olQ5xgaEOgWDqRy%2F6kM7whqY%2B7b9A3mC6BuCBE2COO%2BF%2FQHAQtvuiUMJoFJUfhdfrTZ31dh6i9p0J%2BFznSJHHQvzweQYjnaV3JXTXu9b%2Fgf9YJzlPdYmORO5ELD"}'
data-bumper-metadata='null'
data-autoadvance-enabled="False"
data-poster='null'
tabindex="-1"
>
<div class="focus_grabber first"></div>
<div class="tc-wrapper">
<div class="video-wrapper">
<span tabindex="0" class="spinner" aria-hidden="false" aria-label="Loading video player"></span>
<span tabindex="-1" class="btn-play fa fa-youtube-play fa-2x is-hidden" aria-hidden="true" aria-label="Play video"></span>
<div class="video-player-pre"></div>
<div class="video-player">
<div id="e7e3be424e894cd3a3d26d4dcb0b57c7"></div>
<h4 class="hd hd-4 video-error is-hidden">No playable video sources found.</h4>
<h4 class="hd hd-4 video-hls-error is-hidden">
Your browser does not support this video format. Try using a different browser.
</h4>
</div>
<div class="video-player-post"></div>
<div class="closed-captions"></div>
<div class="video-controls is-hidden">
<div>
<div class="vcr"><div class="vidtime">0:00 / 0:00</div></div>
<div class="secondary-controls"></div>
</div>
</div>
</div>
</div>
<div class="focus_grabber last"></div>
<h3 class="hd hd-4 downloads-heading sr" id="video-download-transcripts_e7e3be424e894cd3a3d26d4dcb0b57c7">Downloads and transcripts</h3>
<div class="wrapper-downloads" role="region" aria-labelledby="video-download-transcripts_e7e3be424e894cd3a3d26d4dcb0b57c7">
<div class="wrapper-download-transcripts">
<h4 class="hd hd-5">Transcripts</h4>
<ul class="list-download-transcripts">
<li class="transcript-option">
<a class="btn btn-link" href="/courses/course-v1:MITx+22.011x+3T2018/xblock/block-v1:MITx+22.011x+3T2018+type@video+block@e7e3be424e894cd3a3d26d4dcb0b57c7/handler/transcript/download" data-value="srt">Download SubRip (.srt) file</a>
</li>
<li class="transcript-option">
<a class="btn btn-link" href="/courses/course-v1:MITx+22.011x+3T2018/xblock/block-v1:MITx+22.011x+3T2018+type@video+block@e7e3be424e894cd3a3d26d4dcb0b57c7/handler/transcript/download" data-value="txt">Download Text (.txt) file</a>
</li>
</ul>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
<div class="xblock xblock-public_view xblock-public_view-vertical" data-block-type="vertical" data-has-score="False" data-runtime-class="LmsRuntime" data-runtime-version="1" data-init="VerticalStudentView" data-request-token="9b1147ac435d11efae9816ffcfe1c469" data-graded="True" data-usage-id="block-v1:MITx+22.011x+3T2018+type@vertical+block@84ba6b1c0f5045d0a0e8553b5b651766" data-course-id="course-v1:MITx+22.011x+3T2018">
<h2 class="hd hd-2 unit-title">1.1.12. Required Assessment</h2>
<div class="vert-mod">
<div class="vert vert-0" data-id="block-v1:MITx+22.011x+3T2018+type@problem+block@6e5561674cfe40d8a30aa100713ae91c">
<div class="xblock xblock-public_view xblock-public_view-problem xmodule_display xmodule_ProblemBlock" data-block-type="problem" data-has-score="True" data-runtime-class="LmsRuntime" data-runtime-version="1" data-init="XBlockToXModuleShim" data-request-token="9b1147ac435d11efae9816ffcfe1c469" data-graded="True" data-usage-id="block-v1:MITx+22.011x+3T2018+type@problem+block@6e5561674cfe40d8a30aa100713ae91c" data-course-id="course-v1:MITx+22.011x+3T2018">
<script type="json/xblock-args" class="xblock-json-init-args">
{"xmodule-type": "Problem"}
</script>
<div id="problem_6e5561674cfe40d8a30aa100713ae91c" class="problems-wrapper" role="group"
aria-labelledby="6e5561674cfe40d8a30aa100713ae91c-problem-title"
data-problem-id="block-v1:MITx+22.011x+3T2018+type@problem+block@6e5561674cfe40d8a30aa100713ae91c" data-url="/courses/course-v1:MITx+22.011x+3T2018/xblock/block-v1:MITx+22.011x+3T2018+type@problem+block@6e5561674cfe40d8a30aa100713ae91c/handler/xmodule_handler"
data-problem-score="0"
data-problem-total-possible="1"
data-attempts-used="0"
data-content="
<h3 class="hd hd-3 problem-header" id="6e5561674cfe40d8a30aa100713ae91c-problem-title" aria-describedby="block-v1:MITx+22.011x+3T2018+type@problem+block@6e5561674cfe40d8a30aa100713ae91c-problem-progress" tabindex="-1">
Assessment 1
</h3>
<div class="problem-progress" id="block-v1:MITx+22.011x+3T2018+type@problem+block@6e5561674cfe40d8a30aa100713ae91c-problem-progress"></div>
<div class="problem">
<div>
<div class="wrapper-problem-response" tabindex="-1" aria-label="Question 1" role="group"><div id="formulaequationinput_6e5561674cfe40d8a30aa100713ae91c_2_1" class="inputtype formulaequationinput">
<div class="unanswered">
<label class="problem-group-label" for="input_6e5561674cfe40d8a30aa100713ae91c_2_1" id="label_6e5561674cfe40d8a30aa100713ae91c_2_1">Following the example from the lightboard, calculate the Q-value (energy released or absorbed) from the following nuclear reaction to the nearest \(MeV\): \( ^{14}C + 1n \rightarrow ^{11}Be + ^{4}He \). The answer is sign sensitive (+ for energy released and - for energy absorbed)</label>
<input type="text" name="input_6e5561674cfe40d8a30aa100713ae91c_2_1" id="input_6e5561674cfe40d8a30aa100713ae91c_2_1" data-input-id="6e5561674cfe40d8a30aa100713ae91c_2_1" value="" aria-describedby="status_6e5561674cfe40d8a30aa100713ae91c_2_1" size="20"/>
<span class="trailing_text" id="trailing_text_6e5561674cfe40d8a30aa100713ae91c_2_1"/>
<span class="status unanswered" id="status_6e5561674cfe40d8a30aa100713ae91c_2_1" data-tooltip="Not yet answered.">
<span class="sr">unanswered</span><span class="status-icon" aria-hidden="true"/>
</span>
<p id="answer_6e5561674cfe40d8a30aa100713ae91c_2_1" class="answer"/>
<div id="input_6e5561674cfe40d8a30aa100713ae91c_2_1_preview" class="equation">
\(\)
<img src="/static/images/spinner.bc34f953403f.gif" class="loading" alt="Loading"/>
</div>
</div>
<div class="script_placeholder" data-src="/static/js/capa/src/formula_equation_preview.b1967ab28c31.js"/>
</div></div>
</div>
<div class="action">
<input type="hidden" name="problem_id" value="Assessment 1" />
<div class="submit-attempt-container">
<button type="button" class="submit btn-brand" data-submitting="Submitting" data-value="Submit" data-should-enable-submit-button="True" aria-describedby="submission_feedback_6e5561674cfe40d8a30aa100713ae91c" >
<span class="submit-label">Submit</span>
</button>
<div class="submission-feedback" id="submission_feedback_6e5561674cfe40d8a30aa100713ae91c">
<span class="sr">Some problems have options such as save, reset, hints, or show answer. These options follow the Submit button.</span>
</div>
</div>
<div class="problem-action-buttons-wrapper">
</div>
</div>
<div class="notification warning notification-gentle-alert
is-hidden"
tabindex="-1">
<span class="icon fa fa-exclamation-circle" aria-hidden="true"></span>
<span class="notification-message" aria-describedby="6e5561674cfe40d8a30aa100713ae91c-problem-title">
</span>
<div class="notification-btn-wrapper">
<button type="button" class="btn btn-default btn-small notification-btn review-btn sr">Review</button>
</div>
</div>
<div class="notification warning notification-save
is-hidden"
tabindex="-1">
<span class="icon fa fa-save" aria-hidden="true"></span>
<span class="notification-message" aria-describedby="6e5561674cfe40d8a30aa100713ae91c-problem-title">None
</span>
<div class="notification-btn-wrapper">
<button type="button" class="btn btn-default btn-small notification-btn review-btn sr">Review</button>
</div>
</div>
<div class="notification general notification-show-answer
is-hidden"
tabindex="-1">
<span class="icon fa fa-info-circle" aria-hidden="true"></span>
<span class="notification-message" aria-describedby="6e5561674cfe40d8a30aa100713ae91c-problem-title">Answers are displayed within the problem
</span>
<div class="notification-btn-wrapper">
<button type="button" class="btn btn-default btn-small notification-btn review-btn sr">Review</button>
</div>
</div>
</div>
"
data-graded="True">
<p class="loading-spinner">
<i class="fa fa-spinner fa-pulse fa-2x fa-fw"></i>
<span class="sr">Loading…</span>
</p>
</div>
</div>
</div>
</div>
</div>
© All Rights Reserved