Question

Numerals of motion for class 9

Answer 1

Question 1

A train accelerates from 36 km/h to 54 km/h in 10 sec. 

(i) Acceleration 

(ii) The distance travelled by car.

Question 2

A body whose speed is constant

(a) Must be accelerated

(b) Might be accelerated

(c) Has a constant velocity

(d) Cannot be accelerated.

Question 3

A truck traveling at 54 km/h is slow down to 36 km/h in 10 sec. Find the retardation 

Question 4

A particle is moving in a circle of diameter 20m. What is its distance and as per the table given below

Rounds 1 1.5 2 2.5

Displacement

Distance

Question 5

A scooter travelling at 10 m/s speed up to 20 m/s in 4 sec. Find the acceleration of train. 

Answer 2

airplane accident down at runway at 3.28 metre per second for 32.8 second it's finally leaves off the ground it remained the distance tower before takeoff