Gamma Question Bank for Medical Physics>Chapter 3 - Motion in a Straight Line>Assignment>Q 12

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The three initial and final position of a man on the $x$ -axis are given as
(i) $(- 4 m, 6 m)$
(ii) $(4 m, - 3 m)$
(iii) $(- 4 m, 2 m)$
Which pair gives the negative displacement?

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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 13

Which of the following is a one-dimensional motion?

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Gamma Question Bank for Medical Physics>Chapter 3 - Motion in a Straight Line>Assignment>Q 14

A

300 m

long train is moving with a uniform velocity of

90 km h^{- 1}

. The time taken by the train to cross another train of length

700 m

moving with same speed in opposite direction is

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Gamma Question Bank for Medical Physics>Chapter 3 - Motion in a Straight Line>Assignment>Q 15

When a car is stopped by applying brakes, it stops after travelling a distance of

100 m

. If speed of car is halved and same retarding acceleration is applied then it stops after travelling a distance of

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Gamma Question Bank for Medical Physics>Chapter 3 - Motion in a Straight Line>Assignment>Q 7

A body starts from origin and moves along

x

-axis so that its position at any instant is

x = 4 t^{2} - 12 t

where

t

is in second and

v

in

m s^{- 1}

. What is the acceleration of particle?

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Gamma Question Bank for Medical Physics>Chapter 3 - Motion in a Straight Line>Assignment>Q 8

A particle moves in a straight line and its position

x

at time

t

is given by

x^{2} = 2 + t .

it is acceleration is given by :-

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Gamma Question Bank for Medical Physics>Chapter 3 - Motion in a Straight Line>Assignment>Q 9

A car moving with speed

v

on a straight road can be stopped with in distance

d

on applying brakes. If same car is moving with speed

3 v

and brakes provide half retardation, then car will stop after travelling distance

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Gamma Question Bank for Medical Physics>Chapter 3 - Motion in a Straight Line>Assignment>Q 11

A ball is dropped from an elevator moving upward with acceleration

' a'

by a boy standing in it. The acceleration of ball with respect to [Take upward direction positive]

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Gamma Question Bank for Medical Physics>Chapter 3 - Motion in a Straight Line>Assignment>Q 13

A ball dropped from the top of tower falls first half height of tower in

10 s

. The total time spend by ball in air is [Take

g = 10 m s^{- 2}

]