A stone is thrown up with a velocity of 20 m/s. Neglecting air resistance calculate the time it will take to return to the ground.

A stone is thrown up with a velocity of 20 m/s. Neglecting air resistance calculate the height that the stone will reach

A ball is thrown vertically upwards with a velocity of 49 m/s. Calculate the total time it takes to return to the surface of the earth.

A ball is thrown vertically upwards with a velocity of 49 m/s. Calculate the maximum height to which it rises.

A stone of 1 kg is thrown with a velocity of 20 ms^-1 across the frozen surface of a lake and comes to rest after travelling a distance of 50 m. What is the force of friction between the stone and the ice?

A stone is thrown vertically upward with an initial velocity of 40 m/s. Taking g= 10 m//s^2 , find the maximum height reached by the stone. What is the net displacement and the total distance covered by the stone?

A stone is thrown in a vertically upward direction with a velocity of 5 m s^1 . If the acceleration of the stone during its motion is 10m s^-2 in the downward direction, what will be the height attained by the stone and how much time will it take to reach there?

A bullet hits a Sand box with a velocity of 20 m/s and penetrates it up to a distance of 6 cm. Find the deceleration of the bullet in the sand box.

A body of mass 15 kg is moving with a velocity 20 m/s. Calculate the distance travelled by the body before stopping, if a force of 30 N is applied on the body in the direction opposite to the direction of motion.

A train 100 m long is moving with a velocity of 60 km/hr. Find the time it takes to cross the bridge 1km long.

A train whistling while approaching a railway platform with a speed of 90 km(s)^-1 .The frequency of sound of the whistle is 600 Hz.If the velocity of sound in air is 325 m(s)^-1 ,calculate the apparent frequency of the sound of the whistle as heard by an observer standing on the platform.