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1. Why are typical potential and kinetic energy graphs curved lines, not straight lines? 2. Besides...

1. Why are typical potential and kinetic energy graphs curved lines, not straight lines?
2. Besides friction, what could cause a loss of energy for a glider on an air track?
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Answer #1

1.The potential energy arises from a variety of interaction including elastic,graviataional etc the potential energy changes continuously the comparison with the atom will only be concerned with the shape of the potential energy curve not with the origin of interactions so it is difficult to plot a straight line .again we have not measured the kinetic energy so we can not put the value only one of the reference axis. So potentual and kinetic graphs are always curved.

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