LIVING SCIENCE PHYSICS 9>Chapter 1 - Motion>Check Your Progress>Q 3

EASY

9th CBSE

IMPORTANT

Earn 100

The equation of uniformly accelerated motion relating the initial velocity, final velocity, time and acceleration is

40% studentsanswered this correctly

Important Questions on Motion

EASY

9th CBSE

IMPORTANT

LIVING SCIENCE PHYSICS 9>Chapter 1 - Motion>Check Your Progress>Q 4

A car increases its speed from

30 km / h

to

35 km / h

in an hour. Its acceleration is

EASY

9th CBSE

IMPORTANT

LIVING SCIENCE PHYSICS 9>Chapter 1 - Motion>Check Your Progress>Q 5

A body has an acceleration of

- 10 m / s^{2}

. What is its retardation?

HARD

9th CBSE

IMPORTANT

LIVING SCIENCE PHYSICS 9>Chapter 1 - Motion>Check Your Progress>Q 6

Derive the equation of motion (without using graph)

$s = u t + \frac{1}{2} a t^{2}$

HARD

9th CBSE

IMPORTANT

LIVING SCIENCE PHYSICS 9>Chapter 1 - Motion>Check Your Progress>Q 7

Derive by graphical method

v^{2} = u^{2} + 2 a s

.

MEDIUM

9th CBSE

IMPORTANT

LIVING SCIENCE PHYSICS 9>Chapter 1 - Motion>Check Your Progress>Q 8

A train accelerates uniformly from $36 km / h$ to $72 km / h$ in $20 s$ . Find the distance travelled by it.

MEDIUM

9th CBSE

IMPORTANT

LIVING SCIENCE PHYSICS 9>Chapter 1 - Motion>Check Your Progress>Q 9

A body moving with a velocity of $6 m / s$ uniformly accelerates at $1.5 m / s^{2}$ . What will be its velocity after $5$ seconds and how far will it move during this time?

MEDIUM

9th CBSE

IMPORTANT

LIVING SCIENCE PHYSICS 9>Chapter 1 - Motion>Check Your Progress>Q 10

The brakes applied to a car produces a negative acceleration of

6 m / s^{2}

. If the car takes

2

seconds to stop after applying the brakes, calculate the distance it travels during this time.

EASY

9th CBSE

IMPORTANT

LIVING SCIENCE PHYSICS 9>Chapter 1 - Motion>Check Your Progress>Q 1

Derive the equation of motion

v = u + a t

(without using graph).