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Gamma Question Bank for Medical Physics>Chapter 3 - Motion in a Straight Line>Assignment>Q 26

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A train starts from rest from a station with acceleration $0.2 m s^{- 2}$ on a straight track and then comes to rest after attaining maximum speed on another station due to retardation $0.4 m s^{- 2} .$ If total time spent is half an hour, then distance between two stations is [Neglect length of train]

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Important Questions on Motion in a Straight Line

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Gamma Question Bank for Medical Physics>Chapter 3 - Motion in a Straight Line>Assignment>Q 27

A body is projected vertically upward direction from the surface of earth. If upward direction is taken as positive, then acceleration of body during its upward and downward journey are respectively.

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Gamma Question Bank for Medical Physics>Chapter 3 - Motion in a Straight Line>Assignment>Q 28

A particle start moving from rest state along a straight line under the action of a constant force and travel distance

x

in first

5

seconds. The distance travelled by it in next five seconds will be

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Gamma Question Bank for Medical Physics>Chapter 3 - Motion in a Straight Line>Assignment>Q 30

A body is projected vertically upward with speed

10 m s^{- 1}

and other at same time with same speed in downward direction from the top of a tower. The magnitude of acceleration of first body w.r.t. second is

{

take

g = 10 m s^{- 2}\}

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Gamma Question Bank for Medical Physics>Chapter 3 - Motion in a Straight Line>Assignment>Q 32

If a particle is thrown with velocity more than

10 m / s

vertically upward, then the distance travelled by the particle in last second of its ascent is

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Gamma Question Bank for Medical Physics>Chapter 3 - Motion in a Straight Line>Assignment>Q 34

A ball is dropped from a bridge of

122.5

metre above a river. After the ball has been falling for two seconds, a second ball is thrown straight down after it. Initial velocity of second ball so that both hit the water at the same time is

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Gamma Question Bank for Medical Physics>Chapter 3 - Motion in a Straight Line>Assignment>Q 37

A ball projected from ground vertically upward is at same height at time

t_{1}

and

t_{2} .

The speed of projection of ball is [Neglect the effect of air resistance]

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Gamma Question Bank for Medical Physics>Chapter 3 - Motion in a Straight Line>Assignment>Q 42

The position-time graph for a body moving along a straight line between $O$ and $A$ is shown in figure. During its motion between $O$ and $A,$ how many times body comes to rest?

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