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

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The acceleration $(a)$ -time $(t)$ graph of a particle moving in a straight line is as shown in figure. At time $t = 0$ , the velocity of particle is $10 m s^{- 1}$ . What is the velocity at $t = 8 s$ ?

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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 10

A body is falling from height,

h

it takes

8 s

to reach the ground. The time it takes to cover the first one-fourth of height is,

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

Evaluation of

\int_{0}^{3} t^{2} d t = x

, then

x

will be equal to

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

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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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 :-