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Kinetic energy and potential energy of a pendulum
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Qian, is the pendulum supposed to show change in color as it swings? Is that why there is scale? Also, I would prefer to see the buttons below the model.
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<font face="Verdana, Arial, Helvetica, sans-serif" size="5" color="#FFFFFF"><strong> Atoms and Conservation of Energy:</strong> Kinetic and Potential energy</font>
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<td><img src="atomMainIdea.png" width="98" height="58"></td>
<td><font face="Verdana, Arial, Helvetica, sans-serif" size="4">Energy converts from potential energy to kinetic energy.</font></td>
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When a pendulum is released, it moves faster and faster until it reaches
the vertical position. With higher speed the pendulum’s kinetic energy
increases. So where does the increased kinetic energy come from? In this
case it is gravity. The energy that comes from gravity is called
“gravitational potential energy.” <b>Potential energy </b>is
energy stored in an object because of its position. The gravitational
potential energy converts to kinetic energy when the pendulum swings. Run
the model on the right and answer the questions below.
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<input alt="tooltip" selfscript="enablecomponent 0 true;enablecomponent 1 false;" script="script:mw2d:1:reset;" name="button name" value="Reset" type="submit">
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Note: The pendulum ball always returns to the starting position, because
we assume there is no air resistance.
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<font face="Arial, Helvetica, sans-serif" size="4"><strong>Where is the
pendulum when the kinetic energy is maximum?</strong></font>
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at the bottom
on its way up
at the top
on its way down
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<font face="Arial, Helvetica, sans-serif" size="4"><strong>What happens to
the kinetic and potential energy as the pendulum swings from its highest
point to its lowest point?</strong></font>
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</font></a><font><a href="page3.cml"><img border="0" src="next.jpg" width="59" height="26">
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<img src="page.jpg" height="26" width="54">
<a href="index.cml"><font><img border="0" src="index.jpg" height="26" width="46">
</font></a><a href="page1.cml"><font><img border="0" src="page1.jpg" height="26" width="28">
</font></a><font><a href="page2.cml"><img border="0" src="page2Selected.jpg" height="26" width="28">
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