EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 4 - Kinematics>KEAM 2018>Q 8

EASY

KEAM

IMPORTANT

Earn 100

A particle is moving along with $X$ -axis such that its acceleration is proportional to the displacement from the equilibrium position and they are in the same direction. The displacement $x (t)$ is given by (where $ω > 0$ is a constant)

25% studentsanswered this correctly

Important Questions on Kinematics

EASY

KEAM

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 4 - Kinematics>KEAM 2019>Q 9

The following plot gives the variation of acceleration $(m / s^{2})$ with time $(s)$ for an object that started from rest at time $t = 0 s .$ The velocity at time $t = 15 s (v_{15})$ and at $25 s$ $(V_{25})$ , respectively are

Question Image

EASY

KEAM

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 4 - Kinematics>KEAM 2018>Q 10

The one-dimensional motion of a point particle is shown in the figure. Select the correct statement.

Question Image

Question Image

EASY

KEAM

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 4 - Kinematics>KEAM 2018>Q 11

The position vector of the particle is

r (t) = a \cos ω t \hat{i} + a \sin ω t \hat{j}

, where

a

and

ω

are real constants of suitable dimensions. The acceleration is

MEDIUM

KEAM

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 4 - Kinematics>KEAM 2020>Q 12

Two projectiles

P

and

Q

thrown with velocities

v

and

\frac{v}{2}

respectively have the same range. If

Q

is thrown at an angle of

15 °

to the horizontal,

P

must be thrown at an angle of

MEDIUM

KEAM

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 4 - Kinematics>KEAM 2019>Q 13

A ball of mass

m

is projected upward with a speed

v_{0} .

The speed at a height

h

is (Neglecting air resistance)

EASY

KEAM

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 4 - Kinematics>KEAM 2018>Q 14

Which of the following graphs represents the speed

v

of a vertical projectile as a function of time

t

?

MEDIUM

KEAM

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 4 - Kinematics>KEAM 2019>Q 15

A boat is moving from the east bank to the west bank on a south flowing river. If the speed of the boat is

4 km / h

and that of the river is

3 km / h .

If the width of the river is

2 km,

the distance travelled by the boat is