Convert a velocity of `20m//s` into kilometer per hour.

Express Velocity of 25000 miles per hour in kilometers per hour.

A gun of mass 10000 kg fires a shot of mass 50 kg with a velocity of 250 m/s. Find recoil velocity the gun.

A cricket ball is rolled on ice with a velocity of 5.6 m/s and comes to rest after travelling 8 m. Find the coefficient of friction Given g=9.8m//s^2 .

A particle travelling along a straight line traversed one third of the total distance with velocity 4m//s . The remaining part of the distance was covered with a velocity 2m//s for half of the time and with velocity 6m//s for the other half of the time. What is the average velocity for the whole motion.

A cricket ball of mass 0.2 kg moving with a velocity of 20 m/s is brought to rest by the player in 0.1 sec. Find the impulse of the force on the ball and average force applied by the player

A body moving with uniform acceleration has velocity of 20m/s and 30 m/s when passing point P with Q in its path . Find its velocity at the point midway between P and Q .

A shell of mass 20 kg moving horizontal at 4 m/s explodes into two parts. The part of mass 12 kg moves in the same direction as the shell with a velocity of 25 m/s. Find magnitude and direction of the other part.