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<quiz>
 <!-- categoryid: 989 -->
 <question type="category"><category><text>4t ESO/4.04 EQUACIONS/4.04.1 Equació 1r grau/4.04.1.7 Aplicacions EG1</text></category></question>
 
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 <question type="shortanswerwiris">
    <name>
      <text>4.04.1.7.22Q Tennis: trobar massa</text>
    </name>
    <questiontext format="html">
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<tbody>
<tr>
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" 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<td style="text-align: justify;">
<p><span style="font-size: small; color: #000080;" data-mce-mark="1"><strong>Una raqueta de tennis impacta la pilota amb una força de «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨12px¨»«mrow»«mo mathvariant=¨bold¨ mathcolor=¨#00007F¨»#«/mo»«mi mathvariant=¨bold¨ mathcolor=¨#00007F¨»f«/mi»«/mrow»«/mstyle»«/math» N i li comunica una acceleració de «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨12px¨»«mrow»«mo mathvariant=¨bold¨ mathcolor=¨#00007F¨»#«/mo»«mi mathvariant=¨bold¨ mathcolor=¨#00007F¨»a«/mi»«/mrow»«/mstyle»«/math» m/s2. Quina és la massa de la pilota?</strong></span></p>
<p><span style="font-size: small;" data-mce-mark="1"><strong>  </strong></span></p>
<p><span style="font-size: small;" data-mce-mark="1"><strong><span style="color: #ff6600;" data-mce-mark="1">Format:</span></strong> en grams, arrodonida als dècims</span></p>
</td>
</tr>
</tbody>
</table>
<p> </p>
<p> </p>
<p> </p>]]></text>
    </questiontext>
    <generalfeedback format="html">
      <text></text>
    </generalfeedback>
    <defaultgrade>1.0000000</defaultgrade>
    <penalty>0.5000000</penalty>
    <hidden>0</hidden>
    <usecase>0</usecase>
    <answer fraction="100" format="moodle_auto_format">
      <text><![CDATA[<math xmlns="http://www.w3.org/1998/Math/MathML"><mo>#</mo><mi>s</mi><mi>o</mi><mi>l</mi><mspace linebreak="newline"/></math>]]></text>
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        <text></text>
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    </answer>
    <wirisquestion>
&lt;question&gt;&lt;wirisCasSession&gt;&lt;![CDATA[&lt;session lang="ca" version="2.0"&gt;&lt;library closed="false"&gt;&lt;mtext style="color:#ffc800" xml:lang="es"&gt;variables&lt;/mtext&gt;&lt;group&gt;&lt;command&gt;&lt;input&gt;&lt;math xmlns="http://www.w3.org/1998/Math/MathML"&gt;&lt;mi&gt;f&lt;/mi&gt;&lt;mo&gt;=&lt;/mo&gt;&lt;mfrac&gt;&lt;mrow&gt;&lt;mi&gt;aleatori&lt;/mi&gt;&lt;mo&gt;(&lt;/mo&gt;&lt;mn&gt;9&lt;/mn&gt;&lt;mo&gt;,&lt;/mo&gt;&lt;mn&gt;20&lt;/mn&gt;&lt;mo&gt;)&lt;/mo&gt;&lt;/mrow&gt;&lt;mn&gt;10&lt;/mn&gt;&lt;/mfrac&gt;&lt;mo&gt;*&lt;/mo&gt;&lt;mn&gt;1&lt;/mn&gt;&lt;mo&gt;.&lt;/mo&gt;&lt;mn&gt;0&lt;/mn&gt;&lt;/math&gt;&lt;/input&gt;&lt;/command&gt;&lt;command&gt;&lt;input&gt;&lt;math xmlns="http://www.w3.org/1998/Math/MathML"&gt;&lt;mi&gt;a&lt;/mi&gt;&lt;mo&gt;=&lt;/mo&gt;&lt;mi&gt;aleatori&lt;/mi&gt;&lt;mo&gt;(&lt;/mo&gt;&lt;mn&gt;11&lt;/mn&gt;&lt;mo&gt;,&lt;/mo&gt;&lt;mn&gt;19&lt;/mn&gt;&lt;mo&gt;)&lt;/mo&gt;&lt;/math&gt;&lt;/input&gt;&lt;/command&gt;&lt;command&gt;&lt;input&gt;&lt;math xmlns="http://www.w3.org/1998/Math/MathML"&gt;&lt;mi&gt;m&lt;/mi&gt;&lt;mo&gt;=&lt;/mo&gt;&lt;mfrac&gt;&lt;mi&gt;f&lt;/mi&gt;&lt;mi&gt;a&lt;/mi&gt;&lt;/mfrac&gt;&lt;mo&gt;*&lt;/mo&gt;&lt;mn&gt;1000&lt;/mn&gt;&lt;/math&gt;&lt;/input&gt;&lt;/command&gt;&lt;command&gt;&lt;input&gt;&lt;math xmlns="http://www.w3.org/1998/Math/MathML"&gt;&lt;mi&gt;sol&lt;/mi&gt;&lt;mo&gt;=&lt;/mo&gt;&lt;mfrac&gt;&lt;mrow&gt;&lt;mi&gt;arrodoneix&lt;/mi&gt;&lt;mo&gt;(&lt;/mo&gt;&lt;mn&gt;10&lt;/mn&gt;&lt;mo&gt;*&lt;/mo&gt;&lt;mi&gt;m&lt;/mi&gt;&lt;mo&gt;)&lt;/mo&gt;&lt;/mrow&gt;&lt;mn&gt;10&lt;/mn&gt;&lt;/mfrac&gt;&lt;mo&gt;*&lt;/mo&gt;&lt;mn&gt;1&lt;/mn&gt;&lt;mo&gt;.&lt;/mo&gt;&lt;mn&gt;0&lt;/mn&gt;&lt;/math&gt;&lt;/input&gt;&lt;/command&gt;&lt;/group&gt;&lt;/library&gt;&lt;group&gt;&lt;command&gt;&lt;input&gt;&lt;math xmlns="http://www.w3.org/1998/Math/MathML"&gt;&lt;mi&gt;f&lt;/mi&gt;&lt;/math&gt;&lt;/input&gt;&lt;output&gt;&lt;math xmlns="http://www.w3.org/1998/Math/MathML"&gt;&lt;mn&gt;1.&lt;/mn&gt;&lt;/math&gt;&lt;/output&gt;&lt;/command&gt;&lt;command&gt;&lt;input&gt;&lt;math xmlns="http://www.w3.org/1998/Math/MathML"&gt;&lt;mi&gt;a&lt;/mi&gt;&lt;/math&gt;&lt;/input&gt;&lt;output&gt;&lt;math xmlns="http://www.w3.org/1998/Math/MathML"&gt;&lt;mn&gt;16&lt;/mn&gt;&lt;/math&gt;&lt;/output&gt;&lt;/command&gt;&lt;command&gt;&lt;input&gt;&lt;math xmlns="http://www.w3.org/1998/Math/MathML"&gt;&lt;mi&gt;m&lt;/mi&gt;&lt;/math&gt;&lt;/input&gt;&lt;output&gt;&lt;math xmlns="http://www.w3.org/1998/Math/MathML"&gt;&lt;mn&gt;62.5&lt;/mn&gt;&lt;/math&gt;&lt;/output&gt;&lt;/command&gt;&lt;command&gt;&lt;input&gt;&lt;math xmlns="http://www.w3.org/1998/Math/MathML"&gt;&lt;mi&gt;sol&lt;/mi&gt;&lt;/math&gt;&lt;/input&gt;&lt;output&gt;&lt;math xmlns="http://www.w3.org/1998/Math/MathML"&gt;&lt;mn&gt;62.5&lt;/mn&gt;&lt;/math&gt;&lt;/output&gt;&lt;/command&gt;&lt;/group&gt;&lt;group&gt;&lt;command&gt;&lt;input&gt;&lt;math xmlns="http://www.w3.org/1998/Math/MathML"/&gt;&lt;/input&gt;&lt;/command&gt;&lt;/group&gt;&lt;/session&gt;]]&gt;&lt;/wirisCasSession&gt;&lt;correctAnswers&gt;&lt;correctAnswer type="mathml"&gt;&lt;![CDATA[&lt;math xmlns="http://www.w3.org/1998/Math/MathML"&gt;&lt;mo&gt;#&lt;/mo&gt;&lt;mi&gt;s&lt;/mi&gt;&lt;mi&gt;o&lt;/mi&gt;&lt;mi&gt;l&lt;/mi&gt;&lt;mspace linebreak="newline"/&gt;&lt;/math&gt;]]&gt;&lt;/correctAnswer&gt;&lt;/correctAnswers&gt;&lt;assertions&gt;&lt;assertion name="syntax_expression"/&gt;&lt;assertion name="equivalent_symbolic"/&gt;&lt;/assertions&gt;&lt;options&gt;&lt;option name="tolerance"&gt;10^(-4)&lt;/option&gt;&lt;option name="relative_tolerance"&gt;false&lt;/option&gt;&lt;option name="precision"&gt;4&lt;/option&gt;&lt;option name="implicit_times_operator"&gt;false&lt;/option&gt;&lt;option name="times_operator"&gt;·&lt;/option&gt;&lt;option name="imaginary_unit"&gt;i&lt;/option&gt;&lt;/options&gt;&lt;localData&gt;&lt;data name="inputField"&gt;popupEditor&lt;/data&gt;&lt;data name="gradeCompound"&gt;and&lt;/data&gt;&lt;data name="gradeCompoundDistribution"&gt;&lt;/data&gt;&lt;data name="casSession"/&gt;&lt;/localData&gt;&lt;/question&gt;    </wirisquestion>
    <hint format="html">
      <text><![CDATA[<p><span style="color: #003300;" data-mce-mark="1"><strong>Cal aïllar m de l'expressió F = m·a i per tant «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨12px¨»«mi mathvariant=¨bold¨ mathcolor=¨#003300¨»m«/mi»«mo mathvariant=¨bold¨ mathcolor=¨#003300¨»=«/mo»«mfrac mathcolor=¨#003300¨»«mi mathvariant=¨bold¨»F«/mi»«mi mathvariant=¨bold¨»a«/mi»«/mfrac»«/mstyle»«/math»</strong></span></p>
<p><span style="color: #003300;"><strong>Com que la unitat del SI per la massa és el kg, cal que converteixis la massa a grams per donar el resultat.</strong></span></p>]]></text>
    </hint>
  </question>
 </quiz>
