Question

a ball of mass 100g dropped from the height of 5m and rebound to the height of 1.25 m . find changes in momentum

who give correct answer will be mark as brainlist but unwanted answers will be reported​

Answer 1

Answer:

The impulse is 1.5 kg-m/s and the retarding force is 15 N.

Explanation:

Given that,

Mass of the ball, m = 100 g = 0.1 kg

Initial height, h = 5 m

Initial velocity will be :

Final height, h'=1.25 m

Final velocity will be :

As it rebounds, final velocity will be negative, v = -5 m/s

Impulse is given by change in momentum as :

Retarding force is :

So, the impulse is 1.5 kg-m/s and the retarding force is 15 N.

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