A ball thrown up is caught by the thrower 6 sec after start. The height to which the ball has risen is (g = 10 m/s²):

A ball is thrown vertically upward with a speed of 40 m/s. The time taken by the ball to reach the maximum height would be approximately

There is a ball of mass 320 g. It has 625 J potential energy when released freely from a height. The speed with which it will hit the ground is

A batsman hits a cricket ball which then rolls on a level ground. After covering a short distance, the ball comes to rest. The ball slows to a stop because

A car has an initial velocity of 12 m/s and is brought to rest over a distance of 45 m. The acceleration of the car is

A tennis ball is thrown in the vertically upward direction and the ball attains a maximum height of 20 m. The ball was thrown approximately with an velocity of