MEDIUM

JEE Main

IMPORTANT

Earn 100

Six particles, situated on the corners of a regular hexagon of side $a$ , move at a constant speed $v$ . Each particle maintains a direction towards the particle at the next corner. Calculate the time the particles will take to meet each other.

Important Questions on Rest and Motion : Kinematics

EASY

JEE Main

IMPORTANT

CONCEPTS OF PHYSICS [VOLUME 1]>Chapter 3 - Rest and Motion : Kinematics>QUESTIONS FOR SHORT ANSWER>Q 1

Galileo was punished by the church for teaching that the sun is stationary and the earth revolves around it. His opponents held the view that the earth is stationary and the sun revolves around it. If the absolute motion has no meaning, are the two viewpoints not equally correct or equally wrong?

EASY

JEE Main

IMPORTANT

CONCEPTS OF PHYSICS [VOLUME 1]>Chapter 3 - Rest and Motion : Kinematics>QUESTIONS FOR SHORT ANSWER>Q 2

When a particle moves with a constant velocity, its average velocity, instantaneous velocity and speed are all equal. Comment on this statement.

EASY

JEE Main

IMPORTANT

CONCEPTS OF PHYSICS [VOLUME 1]>Chapter 3 - Rest and Motion : Kinematics>QUESTIONS FOR SHORT ANSWER>Q 3

A car travels at a speed of

60 km h^{- 1}

due north and the other at a speed of

60 km h^{- 1}

due east. Are the velocities equal? If no, which one is greater? If you find any of these questions irrelevant, explain.

EASY

JEE Main

IMPORTANT

CONCEPTS OF PHYSICS [VOLUME 1]>Chapter 3 - Rest and Motion : Kinematics>QUESTIONS FOR SHORT ANSWER>Q 4

A ball is thrown vertically upward with a speed of

20 m s^{- 1} .

Draw a graph showing the velocity of the ball as a function of time, as it goes up and then comes back.

EASY

JEE Main

IMPORTANT

CONCEPTS OF PHYSICS [VOLUME 1]>Chapter 3 - Rest and Motion : Kinematics>QUESTIONS FOR SHORT ANSWER>Q 5

The velocity of a particle is towards the west at an instant. Its acceleration is not towards the west, nor is it towards the east or the north and neither is it towards the south. Give an example of this type of motion.

EASY

JEE Main

IMPORTANT

CONCEPTS OF PHYSICS [VOLUME 1]>Chapter 3 - Rest and Motion : Kinematics>QUESTIONS FOR SHORT ANSWER>Q 6

At which point on its path a projectile has the smallest speed?

MEDIUM

JEE Main

IMPORTANT

CONCEPTS OF PHYSICS [VOLUME 1]>Chapter 3 - Rest and Motion : Kinematics>QUESTIONS FOR SHORT ANSWER>Q 7

Two particles

A

and

B

start from rest and move for equal time on a straight line. The particle

A

has acceleration

a

for the first half of the total time and

2 a

for the second half. The particle

B

has acceleration

2 a

for the first and

a

for the second half. Which particle has covered a larger distance?

EASY

JEE Main

IMPORTANT

CONCEPTS OF PHYSICS [VOLUME 1]>Chapter 3 - Rest and Motion : Kinematics>QUESTIONS FOR SHORT ANSWER>Q 8

If a particle is accelerating, it is either speeding up or speeding down. Do you agree with this statement?

Six particles, situated on the corners of a regular hexagon of side a, move at a constant speed v. Each particle maintains a direction towards the particle at the next corner. Calculate the time the particles will take to meet each other.

Important Questions on Rest and Motion : Kinematics

Learn and Prepare for any exam you want !

Six particles, situated on the corners of a regular hexagon of side $a$ , move at a constant speed $v$ . Each particle maintains a direction towards the particle at the next corner. Calculate the time the particles will take to meet each other.