Question

A 1 kg ball travelling at 4m/s strike a wall and bounce of back at 2m/s find AP​

Answer 1

Answer:

Impulse = Change in momentum

ΔP=P

f

−P

i

=m(v

f

−v

i

)=0.1(30−(−20))=0.1×50=5Ns

Explanation:

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