An object of mass 10 kg is moving with velocity of 10 ms ^−1.A force of 50 N acted upon it for 2 s. Percentage increase in its K.E is

A body of mass 5 kg is moving with a velocity of 20 m/s. If a force of 100 N is applied on it for 10 s in the same direction as its velocity, what will be the velociy of the body ?

A ball of mass 0.5 kg is moving with a velocity of 2 ms^(-1) . It if subjected to a force of x Newton for 2s. Because of this force, the ball moves with a velocity of 3ms^(-1) . The value of x is :

A body of mass 1 kg is moving with velocity 30 ms^(-1) due north. It is acted on by a force of 10 N due east for 4 seconds. Find the velocity of the body after the force ceases to act.

A body of mass 4 kg is moving with momentum of 8 kg m s^(-1) . A force of 0.2 N acts on it in the direction of motion of the body for 10 s. The increase in kinetic energy is

A ball of mass 10 g is moving with a velocity of 50 "ms"^(-1) . On applying a constant force on ball for 2.0 s, it acquires a velocity of 70 "ms"^(-1) . Calculate the magnitude of force applied.

A ball of mass 10 g is moving with a velocity of 50 "ms"^(-1) . On applying a constant force on ball for 2.0 s, it acquires a velocity of 70 "ms"^(-1) . Calculate the final momentum of ball

A ball of mass 10 g is moving with a velocity of 50 "ms"^(-1) . On applying a constant force on ball for 2.0 s, it acquires a velocity of 70 "ms"^(-1) . Calculate the initial momentum of ball

A ball of mass 10 g is moving with a velocity of 50 "ms"^(-1) . On applying a constant force on ball for 2.0 s, it acquires a velocity of 70 "ms"^(-1) . Calculate the acceleration of ball

A ball of mass 10 g is moving with a velocity of 50 "ms"^(-1) . On applying a constant force on ball for 2.0 s, it acquires a velocity of 70 "ms"^(-1) . Calculate the rate of change of momentum

A particle of mass 10^31 kg is moving with a velocity equal to 10^5ms^-1 . The wavelength of the particle is equal to