A car accelerates uniformly from 18 kmph to 72 kmph in 5 s. The accele – InterviewSolution

1.

A car accelerates uniformly from 18 kmph to 72 kmph in 5 s. The acceleration of the car (in m/s2) is:

Answer»

3

Initial SPEED = U = 18 km/hr = 5 m/s
Final speed = V = 72 km/hr = 20 m/s
acceleration a = (v-u)/t = (20 - 5)/5 = 3 m/s².

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