Question

1. A force of 10 N gives a mass m an'acceleration of 5 m/s? and a mass Man acceleration of 15 m/s?
What acceleration will the same force produce if the two masses are tied together?
2. A bullet of mass 20 g is horizontally fired with a velocity 150 m/s from a pistol of mass 2 kg. What is
the recoil velocity of the pistol?
3. A van of mass 2000 kg travelling at 40 m/s dashes into the rear of a bus of mass 10,000 kg moving in
the same direction at 5 m/s. The van bounces backward after collision with a speed of 10 m/s. What
was the velocity of the bus after the impact ?
Calculate the momentum of a body of mass 450 g moving with a speed of 120 km/h.
5. A bullet of mass 20 g travelling with a velocity of 20 m/s penetrates a sand bag and comes to rest in
0.05 second. Find a) the distance through which it penetrates b) retarding force.​

Answer 1

Swip <---- All answer is there

refer the attachment.

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