Safalta Exam Preparation Online

Abhishek Tiwari

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2 years ago

59. A car accelerates uniformly from 18 kmph to 72 kmph in 5 s. The acceleration of the car (in m/s2) is: A.3 B.5 C.6 D.7

1 Answer

Abhishek Mishra

2 years ago

Option A Solution: 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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