CBSE - Motion

The velocity time graph of runner is given in the graph. What is the total distance covered by the runner in 16s? (1) 100 m (2) 70 m (3) 30 m (4) 130 m

The brakes applied to a car produce a negative acceleration of 6ms –2 If the car stops after 2 seconds, the initial velocity of the car is - (1) 6 ms –1 (2) 12 ms –1 (3) 24 ms –1 (4) Zero

The speed-time graph for a particle moving at constant speed is a straight-line ________ to the time axis. (1) perpendicular (2) parallel (3) inclined (4) aligned

The velocity of a bullet is reduced from 200 m/s to 100 m/s while travelling through a wooden block of thickness 10 cm. The retardation, assuming it to be uniform, will be (1) 10 × 10 4 m/s 2 (2) 1.2 x 10 4 m/s 2 (3) 13.5 × 10 4 m/s 2 (4) 15 x 10 4 m/s 2

A body is dropped from certain height from a uniformly ascending balloon. The correct graph showing variation of velocity with time for body is :