1. A man sitting in a moving train is facing the engine, he throws a coin up, the coin falls behind him. The train is
2. An stone is dropped from a tower of height ‘H’ meters its position from ground after ‘t’ s is
3. A body, thrown upwards with some velocity, reaches the maximum height of 20 m. Another body with double the mass thrown up, with double the initial velocity, will reach a maximum height of
4. A body projected vertically upwards with a velocity u returns to the starting point in 4 s. If g = 10m/s2 , the value of u is
5. A stone is released from the top of a tower. If its velocity at half of the height is 10 m/s , then height of the tower is (take g=10 m/s2)
6. A body is released from the top of a tower of height H meter. After 2 seconds it is stopped and then instantaneously released. What will be its height after next 2 seconds
7. A body is thrown vertically upward. It travels 6 km upward and returns to the original position. What is the displacement of the body?
8. A body thrown upwards with some velocity, reaches the maximum height of 100 m. Another body is thrown upwards with half the initial velocity will reach a maximum height of
9. An object is dropped from the height h. What will be the velocity by which it strike the ground
10. A boy sitting on the topmost berth in a compartment of a train which is just going to stop on a railway station, drops an apple aiming at the open hand of a brother situated vertically below the hands at a distance of 2 metre, the apple will fall