EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 2 - Kinematics>JEE Main - 29 July 2022 Shift 2>Q 153

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JEE Main

IMPORTANT

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A juggler throws balls vertically upwards with same initial velocity in air. When the first ball reaches its highest position, he throws the next ball. Assuming the juggler throws $n$ balls per second, the maximum height the balls can reach is

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Important Questions on Kinematics

HARD

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 2 - Kinematics>JEE Main - 29 July 2022 Shift 2>Q 154

A ball is released from a height

h

. If

t_{1}

and

t_{2}

be the time required to complete first half and second half of the distance respectively. Then, choose the correct relation between

t_{1}

and

t_{2}

.

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 2 - Kinematics>JEE Main - 24 January 2023 Shift 1>Q 155

The maximum vertical height to which a man can throw a ball is

136 m

. The maximum horizontal distance upto which he can throw the same ball is

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JEE Main

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 2 - Kinematics>JEE Main - 24 January 2023 Shift 1>Q 156

Vectors

a \hat{i} + b \hat{j} + \hat{k}

and

2 \hat{i} - 3 \hat{j} + 4 \hat{k}

are perpendicular to each other when

3 a + 2 b = 7

, the ratio of

a

to

b

is

\frac{x}{2}

. The value of

x

is _____.

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JEE Main

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 2 - Kinematics>JEE Main - 24 January 2023 Shift 2>Q 157

The velocity-time graph of a body moving in a straight line is shown in figure.

Question Image

The ratio of displacement and distance travelled by the body in time $0$ to $10 s$ is

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JEE Main

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 2 - Kinematics>JEE Main - 24 January 2023 Shift 2>Q 158

If two vectors

\vec{P} = \hat{i} + 2 m \hat{j} + m \hat{k}

and

\vec{Q} = 4 \hat{i} - 2 \hat{j} + m \hat{k}

are perpendicular to each other. Then, the value of

m

will be

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JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 2 - Kinematics>JEE Main - 25 January 2023 Shift 1>Q 159

A car travels a distance of

x

with speed

v_{1}

and then same distance

x

with speed

v_{2}

in the same direction. The average speed of the car is:

EASY

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 2 - Kinematics>JEE Main - 25 January 2023 Shift 1>Q 160

If

\vec{P} = 3 \hat{i} + \sqrt{3} \hat{j} + 2 \hat{k}

and

\vec{Q} = 4 \hat{i} + \sqrt{3} \hat{j} + 2.5 \hat{k}

then, the unit vector in the direction of

\vec{P} \times \vec{Q}

is

\frac{1}{x} (\sqrt{3} \hat{i} + \hat{j} - 2 \sqrt{3} \hat{k})

. The value of

x

is

EASY

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 2 - Kinematics>JEE Main - 25 January 2023 Shift 2>Q 161

The distance travelled by a particle is related to time

t

as

x = 4 t^{2}

. The velocity of the particle at

t = 5 s

is