IIT JEE : Description Of Motion In One Dimension QUESTIONS AND ANSWERS :: part1 : 11 to 15

Following IIT JEE Entrance Multiple choice objective type questions and answers will help you in Maths, Physics and Chemistry 2024 examinations :

11.Mark correct option or options.

Displacement may be equal to the distance

Displacement must be in the direction of the acceleration of the body

Displacement must not be in the direction of velocity

None of the above

12.If a body loses half of its velocity on penetrating 3 cm in a wooden block, then how much will it penetrate more before coming to rest?

1cm

2cm

3cm

4cm

13.An automobile traveling with a speed of 60 km/h, can brake to stop within a distance of 20m. If the car is going twice as fast, i.e. 120 km/h, the stopping distance will be:

20m

40m

60m

80m

14.A conveyor belt is moving horizontally at a speed of 4 m/s. A box of mass 20 kg is gently laid on it. It takes 0.1s for the box to come to rest. If the belt continues to move uniformly, then the distance moved by the box on the conveyor belt is:

0 m

0.2 m

0.4 m

0.8 m

15.A car moves at 80 km/h in the first half of total time of motion and at 40 km/h in the later half. Its average speed is:

60 km/h

30 km/h

120 km/h

none of these

More Description Of Motion In One Dimension QUESTIONS AND ANSWERS available in next pages