Question

Q) A bus accelerates uniformly from rest and acquires a speed of 72 km/hr in 20 seconds .the acceleration of the bus is

Answer 1

Explanation:

HOPE THE SOLUTION HELPS YOU. PLEASE REFER TO THE ATTACHMENT.

Answer 2

Answer:

GIVEN

INITIAL VELOCITY=0 m/sec

FINAL VELOCITY= 72 km/hr =72 × 5÷18= 20m/sec

TIME = 20 seconds

TO FIND

ACCELERATION

SOLUTION:-

ACCELERATION= CHANGE IN VELOCITY / TIME

ACCELERATION= V^2 - U^2/ TIME

ACCELERATION=20-0 /20 SEC

ACCELERATION=1 m/sec

# THEREFORE THE ACCELERATION OF BUS IS 1m/sec.

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