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A ball is dropped vertically from a height $d$ above the ground. It hits the ground and bounces up vertically to a height $\frac{d}{2}$ Neglecting subsequent motion and air resistance, its velocity $v$ varies with the height $h$ above the ground as

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Important Questions on Kinematics

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AMU-AT (B.Tech.)

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 2 - Kinematics>AMU-AT (B.Tech.) 2019>Q 1

Two bullets are fired simultaneously, horizontally and with different speeds from the same place. Which bullet will hit the ground first?

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 2 - Kinematics>AMU-AT (B.Tech.) 2018>Q 2

Acceleration-time graph of a body moving in a straight line is as shown in figure. The body started its motion from rest.

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At which point is the body moving with the largest speed?

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 2 - Kinematics>AMU-AT (B.Tech.) 2018>Q 3

The displacement of a body is given by

x = 4 t + 5 t^{3},

where

x

is in metre and

t

is in second. The difference between the average velocity of the body in the time-interval

t = 1 s

t = 2 s

and its instantaneous-velocity at

t = 1 s

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 2 - Kinematics>AMU-AT (B.Tech.) 2018>Q 4

The relation between time

t

and distance

x

for a moving particle is

t = α x^{2} + β x,

where

α

and

β

are constants. If

v

is the velocity at distance

x

, then the retardation of the particle is

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AMU-AT (B.Tech.)

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 2 - Kinematics>AMU-AT (B.Tech.) 2018>Q 5

Two seconds after projection, a projectile is moving at

30 °

above the horizontal, after one more second, it is moving horizontally. The initial speed of the projectile is (Take

g = 10 {ms}^{- 2})

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 2 - Kinematics>AMU-AT (B.Tech.) 2017>Q 6

A particle has initial velocity

(2 \hat{i} + 3 \hat{j})

and acceleration

(0.3 \hat{i} + 0.2 \hat{j})

. The magnitude of velocity after

10

seconds will be

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 2 - Kinematics>AMU-AT (B.Tech.) 2017>Q 7

If a particle's position is given by

x = 4 - 12 t + 3 t^{2}

where

t

is in the seconds and

x

in meters. What is its velocity at

t = 1 s

? Whether the particle is moving in positive

x

direction or negative

x

direction?

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AMU-AT (B.Tech.)

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 2 - Kinematics>AMU-AT (B.Tech.) 2017>Q 8

A ball is dropped vertically from a height

d

above the ground. It hits the ground and bounces up vertically to a height

\frac{d}{2}

Neglecting subsequent motion and air resistance, its velocity

v

varies with the height

h

above the ground as

A ball is dropped vertically from a height d above the ground. It hits the ground and bounces up vertically to a height d2 Neglecting subsequent motion and air resistance, its velocity v varies with the height h above the ground as

Important Questions on Kinematics

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A ball is dropped vertically from a height $d$ above the ground. It hits the ground and bounces up vertically to a height $\frac{d}{2}$ Neglecting subsequent motion and air resistance, its velocity $v$ varies with the height $h$ above the ground as