Question

a ball of mass 10g is moving with a velocity of 50m/s. on applying a constant force on the ball for 2.0 seconds, it acquires a velocity of 70m/s. Calculate
i) the initial momentum of ball
ii) the final momentum of ball
iii) the rate of change of momentum
iv) the acceleration of ball​

Answer 1

Answer:

sorry I Don't know....

Answer 2

Answer:

I think ii) is right answer