Question

what is the retardation of car from B to C​

Answer 1

Answer:

1.25

Explanation:

a=v-u = 25-0 =1.25

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t 20

Answer 2

Answer:

2 m/s ^2

Explanation:

u = 40 m/s

v = 0

t = 20 s

a = v - u / t

0 - 40 / 20

- 40 / 20 = -2 m/s ^2

Retardation = 2 m/s^2