1. In the motion of a projectile freely under gravity, its

2. A body is thrown horizontally with a velocity √(

from the top of a tower of height h. It strikes the level ground through the foot of the tower at a distance x from the tower. The value of x is:

3. A ball is projected with velocity v₀ at an angle of elevation 30°. Mark the correct statement.

4. What determines the nature of the path followed by the particle?

5. A ball is projected with kinetic energy E at an angle of 45° to the horizontal. At the highest point during its flight, its kinetic energy will be 

6. At the top of the trajectory of a projectile, the magnitude of the acceleration is

7. The speed of a projectile at its maximum height is half of its initial speed. The angle of projection is:

8. At the highest point of trajectory in the ground to the ground projectile, the angle between gravitational acceleration and momentum is

9. Galileo, in his book Two new sciences, stated that for elevations that exceed or fall short of 45° by equal amounts, the ranges?

10. A projectile thrown with a speed v at an angle θ has a range R on the surface of earth. For same v and θ, its range on the surface of moon will be (acceleration due to gravity on moon=

11. If the initial velocity of a projectile be doubled, keeping the angle of projection same, the maximum height reached by it will

12. Neglecting the air resistance, the time of flight of a projectile is determined by:

13. A bomb is dropped from an aeroplane flying horizontally. The path of the bomb as seen by the pilot will be (neglect air friction)

14. A bullet is fired with a speed of  in order to hit a target 100 m away. If  the gun should be aimed:

15. Two bodies are projected with the same velocity. If one is projected at an angle of 30° and the other at an angle of 60° to the horizontal, the ratio of the maximum heights reached is

16. The velocity of a projectile at the initial point of projection is (2i + 3j) m/s. Its velocity (in m/s) at landing point  is:

17. A bomb is dropped from an aeroplane moving horizontally at constant speed. When air resistance is taken into consideration, the bomb 

18. Which of the following sets of factors will affect the horizontal distance covered by an athlete in a long–jump event

19. Path of a projectile as seen from another projectile :

20. A projectile fired with initial velocity u at some angle θ has a range R. If the initial velocity be doubled at the same angle of projection, then the range will be

21. In projectile motion, accelerations of the projectile when it is gaining height and losing height respectively are

22. The range of a particle when launched at an angle of 15° with the horizontal is 1.5 km. What is the range of the projectile when launched at an angle of 45° to the horizontal 

23. The horizontal range of a particle thrown from the ground is four times the maximum height. The angle of projection with the vertical is:

24. A particle moves in a circular path with decreasing speed. Choose the correct statement

25. In a projectile motion, velocity at maximum height is 

26. The range of a projectile for a given initial velocity is maximum when the angle of projection is 45°. The range will be minimum, if the angle of projection is

27. A body projected with velocity u with an angle of projection θ . Change in velocity after the time (t) from the projection is:

28. An object is thrown along a direction inclined at an angle of 45 with the horizontal direction. The horizontal range of the particle is equal to

29. A stone is just released from the window of a train moving along a horizontal straight track. The stone will hit the ground following

30. A moves with 65 km/h while B is coming back of A with 80 km/h. The relative velocity of B with respect to A is