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A car $P$ moves due east with a speed $10 {ms}^{- 1}$ and another car $Q$ moves due west with a speed $15 {ms}^{- 1}$ . At the moment $t = 0$ , the separation between the cars is $90 m$ and the length of each car is $5 m$ .The distance moved by car $Q$ during the time interval in which they cross each other is

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Important Questions on Motion in a Straight Line

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Gamma Question Bank for Engineering Physics>Chapter 2 - Motion in a Straight Line>EXERCISE>Q 45

A car

P

moves due east with a speed

10 {ms}^{- 1}

and another car

Q

moves due west with a speed

15 {ms}^{- 1}

. If at the moment

t = 0,

the separation between the cars is

100 m,

the separation between them at the moment

t = 2 s

can be

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Gamma Question Bank for Engineering Physics>Chapter 2 - Motion in a Straight Line>EXERCISE>Q 46

Two cars

A

and

B

cross a point

P

simultaneously with velocities

10 {ms}^{- 1}

and

15 {ms}^{- 1} .

After that they move with different uniform accelerations and the car

A

overtakes

B

with a speed of

25 {ms}^{- 1} .

What is velocity of

B

at that instant?

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Gamma Question Bank for Engineering Physics>Chapter 2 - Motion in a Straight Line>EXERCISE>Q 47

A ball is thrown vertically upwards with a velocity

u

with respect to ground from the balloon descending with velocity

v .

The ball will pass by the balloon after time

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Gamma Question Bank for Engineering Physics>Chapter 2 - Motion in a Straight Line>Assignment>Q 1

The acceleration of a particle is given by the

a = x

where

x

is a constant. If the particle starts at origin from rest, its distance from origin after time

t

is given by

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Gamma Question Bank for Engineering Physics>Chapter 2 - Motion in a Straight Line>Assignment>Q 2

The relation between the time

t

and position

x

for a particle moving on

x

-axis is given by

t = {px}^{2} + qx,

where

p

and

q

are constants. The relation between velocity

v

and acceleration

a

is as

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Gamma Question Bank for Engineering Physics>Chapter 2 - Motion in a Straight Line>Assignment>Q 3

Two balls

X

and

Y

are thrown from top of tower one vertically upward and other vertically downward with same speed. If times taken by them to reach the ground are

6 s

and

2 s

respectively, then the height of the tower and initial speed of each ball are

(g = 10 m s^{- 2})

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Gamma Question Bank for Engineering Physics>Chapter 2 - Motion in a Straight Line>Assignment>Q 4

A particle starts moving from rest on a straight line. Its acceleration a verses time $t$ is shown in the figure. The speed of the particle is maximum at the instant

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Gamma Question Bank for Engineering Physics>Chapter 2 - Motion in a Straight Line>Assignment>Q 5

Figure shows the graph of $x$ -coordinate of a particle moving along $x$ -axis as a function of time. Average velocity during $t = 0$ to $4 s$ and instantaneous velocity at $t = 4.113 s$ respectively will be

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A car P moves due east with a speed 10 ms-1 and another car Q moves due west with a speed15 ms-1. At the moment t=0, the separation between the cars is 90 m and the length of each car is 5 m .The distance moved by car Q during the time interval in which they cross each other is

Important Questions on Motion in a Straight Line

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