Question

41. A body falls from a height of 10 m, hits the floor and
rebounds to a height of 7 m. The percentage loss in its
energy is
1) 60 2) 30
3) 90 4) 15​

Answer 1

Explanation:

The most common definition of weight found in introductory physics textbooks defines weight as the force exerted on a body by gravity. This is often expressed in the formula W = mg, where W is the weight, m the mass of the object, and g gravitational acceleration.

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Answer 2

Answer:

I think the percentage loss in its energy is 30.