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A particle moves on a circular path of radius ’ $r$ ’, It completes one revolution in $40 s$ . Calculate distance and displacement in $2 \min$ $20 s$ .

Important Questions on Kinematics

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Beta Question Bank for Medical: Physics>Chapter 4 - Kinematics>BEGINNER'S BOX - 1>Q 2

Three girls skating on a circular ice ground of radius $200 m$ start from a point $P$ on the edge of the ground and reach a point $Q$ diametrically opposite to $P$ following different paths as shown in figure. What is the magnitude of the displacement for each ? For which girl is this equal to the actual length of path skate?
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Beta Question Bank for Medical: Physics>Chapter 4 - Kinematics>BEGINNER'S BOX - 1>Q 3

A wheel of radius ’ $R$ ’ is placed on ground and its contact point is ’ $P$ ’. If wheel starts rolling without slipping and completes half a revolution, find the displacement of point $P$ .
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Beta Question Bank for Medical: Physics>Chapter 4 - Kinematics>BEGINNER'S BOX - 1>Q 4

A man moves

4 m

along east direction, then

3 m

along north direction, after that he climbs up a pole to a height

12 m

. Find the distance covered by him and his displacement.

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Beta Question Bank for Medical: Physics>Chapter 4 - Kinematics>BEGINNER'S BOX - 1>Q 5

A person moves on a semicircular track of radius

40 m

. If he starts at one end of the track and reaches the other end, find the distance covered and magnitude of displacement of the person.
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Beta Question Bank for Medical: Physics>Chapter 4 - Kinematics>BEGINNER'S BOX - 1>Q 6

A man has to go

50 m

due north,

40 m

due east and

20 m

due south to reach a cafe from his home.

(a) What distance he has to walk to reach the cafe?

(b) What is his displacement from his home to the cafe?

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Beta Question Bank for Medical: Physics>Chapter 4 - Kinematics>BEGINNER'S BOX - 1>Q 7

A ball of mass

1 kg

dropped from

9.8 m

height, strikes the ground and rebounds to a height of

4.9 m

. If the time of contact between ball and ground is

0.1 s

, then find impulse and average force acting on the ball.

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Beta Question Bank for Medical: Physics>Chapter 4 - Kinematics>BEGINNER'S BOX - 1>Q 8

A rigid body rotates about a fixed axis with variable angular speed

ω

= A - B t

where

A

and

B

are constant. Find the angle through which it rotates before it comes to rest.

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Beta Question Bank for Medical: Physics>Chapter 4 - Kinematics>BEGINNER'S BOX - 2>Q 1

A man has to go

50 m

due north,

40 m

due east and

20 m

due south to reach a cafe from his home.

What is his displacement from his home to the cafe?

A particle moves on a circular path of radius ’r’, It completes one revolution in 40 s. Calculate distance and displacement in 2 min 20 s.

Important Questions on Kinematics

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A particle moves on a circular path of radius ’ $r$ ’, It completes one revolution in $40 s$ . Calculate distance and displacement in $2 \min$ $20 s$ .