a force of 1200 Newton acts on a 0.5 kg steel ball as a result of Collision lasting 25 milliseconds .
if the force is in a direction opposite to the initial velocity of 14 meters per second then what would be the final speed of the Steel ball ?
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We have to find out the final speed of the ball.
To find out the impulse, substitute -984 N for the net force F and 27.0 ms for the time interval Δt in the equation J = F Δt,
J = F Δt
= (-984 N) (27.0 ms)
= (-984 N) (27.0 ms) (10-3 s/1 ms)
= -26.6 N. s
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