Question

when a car driver travelling at a speed of 10 m/s applies brakes and brings the car to rest in 20 s, then the retardation will be: (a) + 2 m/s2 (b) – 2 m/s2 (c) –0.5 m/s2 (d) + 0.5m/s2​

Answer 1

Answer

+ 0.5m/s2

This is the Answer of the question

Answer 2

Answer:

Explanation:

ΔV= -10m/s

Δt=20s

a=Δv/Δt = -10/20= -0.5m/s²

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