Give one example where expansion on heating is put to good use. Explain?
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AS EXAMPLE ELECTRIC WIRES ... WHY THEY SAG BETWEEN THEM BECAUSE WHEN SUMMER SEASON COMES THEY ARE KEPT SOME DISTANCE TO SAG BUT WHEN WINTER COMES THEY WILL BE IN STRAIGHT LINE .... I THINK IT HELPS YOU .... IF YOU DONT MIND CAN I KNOW YOUR SCHOOL AND CLASS ....
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Answer:
Explanation:
When an object falls freely towards the ground, its potential energy decreases and kinetic energy increases.
As the object touches the ground, all its potential energy gets converted into kinetic energy.
As the object hits the hard ground, all its kinetic energy gets converted into heat energy and sound energy.
It can also deform the ground depending upon the nature of the ground and the amount of kinetic energy possessed by the object.
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