Question

23. If a car is traveling at 8 ms−1 accelerates uniformly at 2 ms−2, its velocity after 5 seconds will be

Answer 1

Answer: 18 m /s

Explanation:

u = 8 m / s

a = 2 m/s^2

t = 5 sec

formula used : v = u + at   ( first euqation of uniform motion)

v = u + at

=> v = 8 + 2 x 5

=> v = 18 m/s

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