A ball is dropped from a height of 20cm
Asked by admin @ in Physics viewed by 321 People
a ball is dropped from a height of 20 cm. Ball rebounds to a height of 10 cm. Ball rebounds to a height of 10 cm. what is the loss of energy
Asked by admin @ in Physics viewed by 321 People
a ball is dropped from a height of 20 cm. Ball rebounds to a height of 10 cm. Ball rebounds to a height of 10 cm. what is the loss of energy
Answered by admin @
Answer:
See,
Energy = mgh
= mg ×20
Rebound Energy = mg ×10
So,
Loss of Energy is 10/20×100
=50%
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