Kinematics Test...

A ball is thrown vertically upwards. The quantity which stays constant is

A stone is released from an elevator going up with an acceleration a. The acceleration of the stone after the release is

A 150 m long train is moving to north at a speed of 10 m/s. A pigeon flying towards south with a speed of 5 m/s crosses the train. The time taken by the pigeon to cross the train is

Water drops fall at regular intervals from a roof. At an instant when a drop is about to leave the roof, the separations between 3 successive drops below the roof are in the ratio

A train travels on a straight track passing station A at 20 m/s. If accelerates uniformly at 2 m/s² and reaches station B 100 m away from A. At B the velocity of the train in m/s is approximately

A body throws a ball in air in such a manner that when the ball is at its maximum height he throws another ball. If the balls are thrown after the time difference of 1s then what will be the height attained by them

A balloon is ascending at the rate of 10 m/s. When it is at a height of 75 m from the ground, a packet is dropped from it. The packet will reach the ground after time of

The acceleration of a moving object is equal to the