Question

physics
a ball of mass 0.2 kg is heat so as to give its impulse 2503 Newton second calculate the velocity with which the ball most if it is was initially at rest
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Answer 1

Answer:

-10N

Explanation:

Correct option is B)

Given ,u=30m/s ,v=20m/s

m=0.2kg

impulse − change in momentum of the body,

=mv−mu=m(v−u)

=0.2(−20−30)=−10N