Question

the speedometer reading of a car as shown below find the acceleration of the car and its displacement
Time 9:25 speedometer 36 km/hr
Time 9:45 speedometer 72 km/hr
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Answer 1

TIME = 20 MINS OR 1/3 HR .

INITIAL SPEED OR u = 36 KM/HR

FINAL SPEED OR v = 72 KM/HR

CHANGE IN VELOCITY = 36 KM/HR

ACCELERATION = CHANGE IN VELOCITY÷TIME TAKEN

ACCELERATION = 36÷( 1/3)= 108KM/HR^2

DISTANCE = DISPLACEMENT AS BODY IS MOVING IN A STRAIGHT LINE .

s = ut + 1/2 a t^2

s = (36×1/3)+ 1/2 × 108× 1/3 × 1/3

s = 12 + 108/3

s = 48 km

HOPE IT HELPS U . PLZ MARK AS BRAINLIST .

Answer 2

Explanation:

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