IIT JEE : Description Of Motion In One Dimension QUESTIONS AND ANSWERS :: part4 : 1 to 5

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

1.A body of mass 3 kg falls from the multi-storeyed building 100 m high and buries itself 2 m deep in the send. The time of penetration will be

0.09 s

0.9 s

9 s

10 s

2.If a, -b, and c be the distances travelled by the body during xth , yth and zth second from start, then which of the following relations is true ?

a (y - z) + b (z - x) + c (x - y) = 0

a (x - y) + b (y - z) + c (z - x) = 0

a (z - x) + b (x - y) + c (y - z) = 0

ax + by + cz = 0

3.If the velocity of a car is increased by 20%, then the minimum distance in which it can be stopped increases by

44%

55%

66%

88%

4.Two balls A and B are thrown from the top of a water. The ball A is thrown vertically upwards. The ball B is thrown vertically downwards with the same speed. Which of the following is true ?

A reaches the ground earlier than B

B reaches the ground earlier than A

Ball A strikes the ground with higher velocity

Both A and B reach the ground at the same time.

5.A tiger chases a deer 30 m ahead of it and gains 3 metre in 5 second after the chase began. The distance gained by the tiger in 10 second is

6 m

12 m

18 m

20 m

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

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