Question

Impulse acting on a ball , when it hits a wall and contact for 0.4s, is 12Ns?. Calculate the external force imparted on wall.

Answer 1

Answer:

Explanation:

Impulse =F×t

F= I/t= 12/0.4= 30N

Answer 2

Answer:

Ft= change in momentum= impulse

F= 12/0.4=30N

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