A ball of mass 100 g moving with a velocity of `10ms^-1` is stopped by a boy in 0.25sec. Calculate the force applied by the boy to stop the ball.

A car moving with a velocity of 20 ms^(-1) is stopped in a distance of 40 m. If the same car is travelling at double the velocity, the distance travelled by it for same retardation is?

A bullet of mass 20 g is fired horzontally with a of 100 ms^-1 from a pistol of mass 1.5 kg. Calculate the recoil velocity of the pistol.

A cricket ball of mass 150 g moving with a speed of 126 km/h hits at the iddle of the bat, held firmly at its position by the batsman. The ball moves straight back to the bowler after hitting the bat. Assurming that collision between ball and bat is completely elastic and the two remain in contact for 0.001 s, the force that the batsman had to apply to hold the bat firmly at its place would be

What will be the wavelength of a ball of mass 0.1 kg moving with a velocity of 10 ms ^(-1).

A bullet of mass 25 g moving with a speed of 100 m/s pierces a bag full of sand kept adjacent to a wall. The bullet stops in the bag after 0.05 second. Find The force exerted by the sandbag on the bullet.

A motorcycle is moving with a velocity of 90 km//h and it takes 5 second to stop after the brakers are applied. Calculate the force exerted by the brakers on the motorcycle if its mass alongwith the rider is 200 kg

A bullet of mass 25 g moving with a speed of 100 m/s pierces a bag full of sand kept adjacent to a wall. The bullet stops in the bag after 0.05 second. Find The acceleration of the bullet (assuming uniform).