<div class="xblock xblock-public_view xblock-public_view-vertical" data-request-token="8aa90fcc03eb11f0a0c20affe2bbc7c1" data-usage-id="block-v1:MITx+22.011x+3T2018+type@vertical+block@fb2d5537ebe149bba7c325fa1ff0bb5f" data-init="VerticalStudentView" data-block-type="vertical" data-runtime-class="LmsRuntime" data-course-id="course-v1:MITx+22.011x+3T2018" data-has-score="False" data-graded="True" data-runtime-version="1">
<h2 class="hd hd-2 unit-title">1.1.13. Video Lecture</h2>
<div class="vert-mod">
<div class="vert vert-0" data-id="block-v1:MITx+22.011x+3T2018+type@video+block@3f1034aed6984e829f5e8fc15430a009">
<div class="xblock xblock-public_view xblock-public_view-video xmodule_display xmodule_VideoBlock" data-request-token="8aa90fcc03eb11f0a0c20affe2bbc7c1" data-usage-id="block-v1:MITx+22.011x+3T2018+type@video+block@3f1034aed6984e829f5e8fc15430a009" data-init="XBlockToXModuleShim" data-block-type="video" data-runtime-class="LmsRuntime" data-course-id="course-v1:MITx+22.011x+3T2018" data-has-score="False" data-graded="True" data-runtime-version="1">
<script type="json/xblock-args" class="xblock-json-init-args">
{"xmodule-type": "Video"}
</script>
<h3 class="hd hd-2">Video</h3>
<div
id="video_3f1034aed6984e829f5e8fc15430a009"
class="video closed"
data-metadata='{"autoAdvance": false, "prioritizeHls": false, "recordedYoutubeIsAvailable": true, "ytTestTimeout": 1500, "poster": "https://mitx-edx-video-meta-storage.s3.amazonaws.com/media/video-images/3dbb80158d684e94bf5a6c930cef1973.png?AWSAccessKeyId=ASIA4QDFFSURUKMN3Q5I&Expires=1742297363&Signature=83skVQR0lyVBKCYAOtxY2dlPSe0%3D&x-amz-security-token=IQoJb3JpZ2luX2VjEAMaCXVzLWVhc3QtMSJGMEQCICeHJNB86Q0z5YIs5coFe9rNAMoNlzayZsfaU6anIE0JAiA%2FQ0f0sL56OQrQ%2Bx3Dn3QNbgRJwqMEQwyC27Xplm%2B4Eyq7BQhbEAMaDDg1OTIwNTYzNzQxMSIMcHBfTBB6oZz0AdDZKpgF6I%2BDITiIh8lfEwALcE5r%2FC38PGMziXJa2Zf1BhrNoaFn%2B%2F1EublsCDpgem4jp0kLfclqOE%2F%2BVdkOV7WTHSQPEkBJxzdGICZn%2BiSHCyNrMChMlyRCtci%2BxA25nMOAvnlRKsgNJiSGky3bFLpIdJsba7Ojz%2Fl3vcyR6f4pynfA63%2FHsbZh%2F6p9Xx84POuMiJPwDJihqqmzDxq6545%2FHn1aStP5wUcWy38ke6DDDSuHiMZvrmnvc3fDxQo10YhswPMgBfbMSGh%2FDDDwMjTuyaV%2B8qvti71t7j89lRRxxerz2rIEO6c8SXCfrq48A5icDke6i7WFO%2BqgZRsD4eXgzNg7L18jfdFm31NO3YIAf98DYB1OvqR7bAXqyzL48K6ujERFyXWmmgoP3uW5Oj8XxJAnn6M%2BoDLwc6WGyKn54iUwWHUNgZyhL5eIooebqGG%2Fs1zJGHohWBf3kfg%2Bzchj2KVEiQksQlt2dnQ9Cx6y0DUwBpFKF0wH58Ag71732giwKnAIl6hHgoeaaipRf6X6PpyVLfMKk0SswhZKgiobNDWVfdr45%2BLVyuW4ksq5nFKjEibkA461Nz3gaffYeN97sO4Vhovx3p%2Bs6XLkA37ZYO35fOe7DoFz03yo%2BhSUsc8rYXmvGtJYYXG%2Fp6jmYZiiAWBtcq0Lrpkq%2B53tRNsr7dlOYNNjWMYDcNRwlnoFU33ZXccGwARY7jgU0jOAO%2FL%2Bq27JQHEtrla8TqIt1APNW8SUG9bB2%2B9HGfouObU68A9MT%2FZQsfmDamLai6OWSm75MiIs8Fg9SIA00CUsbpeQ5mPpEXcyrk3JFsYFGHiNEKTVN9MkbfaU5ypoYD7E1PtTmeEzoFrDc4lqJkpZiyQPtJVX%2FBPSOkZ7GodO%2BzCzkuW%2BBjqyAXWmYy47v0bTzx8oZY9aYo49OzNbjzcSXoSxAC6YlDhyj11U%2FBWXBtPfWZG8MoLGodnloAfY%2FdiE%2B%2FTJL%2FHG%2FbOHb82kvBik%2FnjDoqp4TUw1C3hZCdU8Rk7uktjL40sCgmytwzdHcyDUIGJNsBS1uLe6z5RtQj4m3wvzZHbWEpFrS8E%2BptHHoZ0LxG0vuyPuwauEvHiF72otuKhaG3JLAduSdjHgXNqgWAmwn7JZxOm4neE%3D", "streams": "1.00:42RzfLZmWGc", "saveStateEnabled": false, "end": 0.0, "speed": null, "completionPercentage": 0.95, "start": 0.0, "publishCompletionUrl": "/courses/course-v1:MITx+22.011x+3T2018/xblock/block-v1:MITx+22.011x+3T2018+type@video+block@3f1034aed6984e829f5e8fc15430a009/handler/publish_completion", "duration": 778.42, "autoplay": false, "savedVideoPosition": 0.0, "generalSpeed": 1.0, "autohideHtml5": false, "ytMetadataEndpoint": "", "transcriptTranslationUrl": "/courses/course-v1:MITx+22.011x+3T2018/xblock/block-v1:MITx+22.011x+3T2018+type@video+block@3f1034aed6984e829f5e8fc15430a009/handler/transcript/translation/__lang__", "showCaptions": "true", "completionEnabled": false, "captionDataDir": null, "ytApiUrl": "https://www.youtube.com/iframe_api", "saveStateUrl": "/courses/course-v1:MITx+22.011x+3T2018/xblock/block-v1:MITx+22.011x+3T2018+type@video+block@3f1034aed6984e829f5e8fc15430a009/handler/xmodule_handler/save_user_state", "transcriptAvailableTranslationsUrl": "/courses/course-v1:MITx+22.011x+3T2018/xblock/block-v1:MITx+22.011x+3T2018+type@video+block@3f1034aed6984e829f5e8fc15430a009/handler/transcript/available_translations", "sources": ["https://d2f1egay8yehza.cloudfront.net/MITx22.011x-V008800_DTH.mp4", "https://d2f1egay8yehza.cloudfront.net/MITx22.011x-V008800/MITx22.011x-V008800.m3u8"], "transcriptLanguages": {"en": "English"}, "transcriptLanguage": "en", "lmsRootURL": "https://openlearninglibrary.mit.edu"}'
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="3f1034aed6984e829f5e8fc15430a009"></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_3f1034aed6984e829f5e8fc15430a009">Downloads and transcripts</h3>
<div class="wrapper-downloads" role="region" aria-labelledby="video-download-transcripts_3f1034aed6984e829f5e8fc15430a009">
<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@3f1034aed6984e829f5e8fc15430a009/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@3f1034aed6984e829f5e8fc15430a009/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-request-token="8aa90fcc03eb11f0a0c20affe2bbc7c1" data-usage-id="block-v1:MITx+22.011x+3T2018+type@vertical+block@441ad986b0db4d5387bb0d908ce1e0d7" data-init="VerticalStudentView" data-block-type="vertical" data-runtime-class="LmsRuntime" data-course-id="course-v1:MITx+22.011x+3T2018" data-has-score="False" data-graded="True" data-runtime-version="1">
<h2 class="hd hd-2 unit-title">1.1.13. Required Assessment</h2>
<div class="vert-mod">
<div class="vert vert-0" data-id="block-v1:MITx+22.011x+3T2018+type@problem+block@5b3566998882444280e17cecbf7772b0">
<div class="xblock xblock-public_view xblock-public_view-problem xmodule_display xmodule_ProblemBlock" data-request-token="8aa90fcc03eb11f0a0c20affe2bbc7c1" data-usage-id="block-v1:MITx+22.011x+3T2018+type@problem+block@5b3566998882444280e17cecbf7772b0" data-init="XBlockToXModuleShim" data-block-type="problem" data-runtime-class="LmsRuntime" data-course-id="course-v1:MITx+22.011x+3T2018" data-has-score="True" data-graded="True" data-runtime-version="1">
<script type="json/xblock-args" class="xblock-json-init-args">
{"xmodule-type": "Problem"}
</script>
<div id="problem_5b3566998882444280e17cecbf7772b0" class="problems-wrapper" role="group"
aria-labelledby="5b3566998882444280e17cecbf7772b0-problem-title"
data-problem-id="block-v1:MITx+22.011x+3T2018+type@problem+block@5b3566998882444280e17cecbf7772b0" data-url="/courses/course-v1:MITx+22.011x+3T2018/xblock/block-v1:MITx+22.011x+3T2018+type@problem+block@5b3566998882444280e17cecbf7772b0/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="5b3566998882444280e17cecbf7772b0-problem-title" aria-describedby="block-v1:MITx+22.011x+3T2018+type@problem+block@5b3566998882444280e17cecbf7772b0-problem-progress" tabindex="-1">
Assessment 1
</h3>
<div class="problem-progress" id="block-v1:MITx+22.011x+3T2018+type@problem+block@5b3566998882444280e17cecbf7772b0-problem-progress"></div>
<div class="problem">
<div>
<div class="wrapper-problem-response" tabindex="-1" aria-label="Question 1" role="group"><div id="formulaequationinput_5b3566998882444280e17cecbf7772b0_2_1" class="inputtype formulaequationinput">
<div class="unanswered">
<label class="problem-group-label" for="input_5b3566998882444280e17cecbf7772b0_2_1" id="label_5b3566998882444280e17cecbf7772b0_2_1">Following the example from the lightboard, calculate the kinetic energy of the daughter nucleus following alpha decay of \(^{241}Am\) to the nearest \(keV\)</label>
<input type="text" name="input_5b3566998882444280e17cecbf7772b0_2_1" id="input_5b3566998882444280e17cecbf7772b0_2_1" data-input-id="5b3566998882444280e17cecbf7772b0_2_1" value="" aria-describedby="status_5b3566998882444280e17cecbf7772b0_2_1" size="20"/>
<span class="trailing_text" id="trailing_text_5b3566998882444280e17cecbf7772b0_2_1"/>
<span class="status unanswered" id="status_5b3566998882444280e17cecbf7772b0_2_1" data-tooltip="Not yet answered.">
<span class="sr">unanswered</span><span class="status-icon" aria-hidden="true"/>
</span>
<p id="answer_5b3566998882444280e17cecbf7772b0_2_1" class="answer"/>
<div id="input_5b3566998882444280e17cecbf7772b0_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_5b3566998882444280e17cecbf7772b0" >
<span class="submit-label">Submit</span>
</button>
<div class="submission-feedback" id="submission_feedback_5b3566998882444280e17cecbf7772b0">
<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="5b3566998882444280e17cecbf7772b0-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="5b3566998882444280e17cecbf7772b0-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="5b3566998882444280e17cecbf7772b0-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