1. A particle travelling with uniform acceleration in a straight line, travels 55 m in the 8th second and 85 m in the 13th second of its motion. The initial velocity and uniform acceleration of the particle is

2. If the displacement of a body is proportional to square of time then:

3. The displacement x of a particle along a straight line at a time t is given by x=a0+a1t+a2t2 ; The acceleration of the particle is:

4. The distance time graph of a particle at time t makes an angle 450 with the time axis. After one seconds it makes an angle 600 with the time axis. What is the acceleration of the particle.

5. If the displacement of a body is proportional to cube of time , then:

6. A particle travelling with uniform acceleration in a straight line, travels 55 m in the 8th second and 85 m in the 13th second of its motion. The initial velocity and uniform acceleration of the particle is

7. A body moves along a straight line and its displacement at any time t is given by s =(t3-6t2+3t+4)m .The velocity of body, when its acceleration is zero, is 

8. The distance covered by a particle varies with time as: x=at2-bt3 The time ‘t’ of body, when its acceleration is zero, is

9. A boy completes a semicircle of radius 14 m in 10 seconds. The distance travelled by the boy is 

10. A particle covers 150 m in 8th second when starts from rest, its acceleration is

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