1. The displacement of a particle is given by\( \sqrt x\) = 2t . what is the nature of motion of the particle ?
2. A particle moves along X-axis in such a way that X-coordinate varies with time according to expression
x= 2-5t+6t2 meters, The initial velocity of the particle is:
3. A particle starts with initial velocity 10 ms-1. It covers a distance of 20 m along a straight path into two seconds. What is the acceleration of the particle.
4. The position of a particle is given by x = ( -2t3 + 3t2 + 5)m. Where ‘x’ is in meter and ‘t’ is in second. Find the acceleration of particles when its velocity is zero.
5. The displacement of a particle is given by √x = t+1. Which of the following statements about its velocity is true.
6. The displacement time graph for the two particles A and B are straight lines inclined at angles 300 and 600 with the time axis. The ratio of the velocities VA :VB will be
7. An athlete moves on a quarter circle of radius r. The values of distance travelled and displacement are
8. The position co-ordinate ‘r’ of a body is given r = at2+bt+c. What is the value of velocity?
9. The position of a particle moving on a straight line path is given by x = 12+18t+9t2 meter.Its velocity at t = 2 s is
10. The velocity ‘u’ of the body moving along a straight line with constant retardation ‘a’ reduces by 75% in time t. what is the time taken in doing so ?