Question

c) A toy car initially moving with a uniform velocity of 18km/h comes to stop in 2s. Find the retardation
of the car in S. I units.
(2M)​

Answer 1

Explanation:

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Answer 2

Answer:

Velocity, v = 18 × 1000 m60 × 60 s = 5 m/s Using formula v = u - at , where v = 0 and u = 5 m/s Therefore, retardation, a = ut = 5 m/s2 s = 2.5 m/s^2