Question

A ball of mass 100 g dropped on the ground from 5m bounces repeatedly during every

Answer 1

Energy is lost as a result of the impact on the floor is 1.962 J

Correct statement:

A ball of mass 100 g falls from a height of 5 m onto a floor and rebounds to a height of 3 m. What energy is lost as a result of the impact on the floor?

Given data:

Mass of ball  = 100 g = 0.1 Kg

Height "h" = 5 m

Energy lost = mg(h2 - h1)

= 0.1 kg x 9.81 m/s^2 x (5-3)

= 0.981 x 2

= 1.962 J

Some of the energy is lost ad dissipates i the surrounding in the form of heat and sound.

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