## a car starts from rest and acquires a velocity of 54km/h in 2 sec. find the accelaration

Question

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## Answers ( )

Given :-A car starting from rest acquires a velocity of 54km/h in 5 seconds.

To find :-Solution :-→ Final velocity = 54km/h

→ v = 54 × 2/18

→ v = 3 × 2

→ v = 6m/s

According first equation of motion

→ v = u + at

→ 6 = 0 + a × (2)

→ 6 = 2a

→ a = 6/2

→

a = 3 m/s²Hence,Answer:97.2m/s²

Explanation:acceleration=final velocity-initial velocity/time

a=54km/h -0 km/h/2sec

a=194.4m/s- 0m/s/2sec

a=194.4m/s/2sec

a=97.2m/s²