1. A train 50 m long passes over bridge at a velocity of 30 km/h. If its takes 36 s to cross the bridge , the length of the bridge will be

2. Choose the wrong statement

3. A particle starts from rest moves with constant acceleration. its distance ‘x’ and velocity ‘v’ as related as

4. Choose the correct statement

5. A body whose speed in a particular direction is constant

6. A body covers the first half of the distance with a velocity ‘v’ and the second half in double the time taken for the first half . The average velocity is

7. The SI unit of angular velocity is

8. A body strikes the floor vertically with a velocity ‘u’ and rebounds at the same speed. the change in velocity would be

9. When a graph between two physical quantities is a straight line, the two quantities are

10. A bus starts from rest with an acceleration of 1 m/s². A man who is 48 m behind the bus starts with a uniform velocity of 10 m/s. The minimum time after which the man will catch the bus is

11. A rubber ball dropped from a certain height is an example of

12. A body moves along the circumference of a circular track of radius ‘R’. What is displacement of the body when it covers 3/4th of its circumference ?

13. Two bodies are thrown vertically upwards with their initial velocities in the ratio of 2:3. then the ratio of the maximum heights attained by them is

14. Area under the speed -time graph gives

15. A train of length 200 m travelling at 30 m/s overtakes another train of length 300 m travelling at 20 m/s. The time taken by the first train to pass the second is