Question

If a car starts from rest and attains 20ms-1in 25 seconds. find the acceleration

Answer 1

Given,
          v=20 m/s
         u=0 m/s
         t=25 sec
        therefore,
                           a=v-u/t
                             =20-0/25
                             =20/25
                             =4/5
                             =0.8 m/s^2

Answer 2

Answer:

0.8m/s

do uk how?

ey....worry not...

I'm here to explainƪ(˘⌣˘)ʃ

Explanation:

u = 0m/s

v = 20m/s

t = 25s

so,

v = u+at (Formula)

20 = 0 + a X 25

a = 20/25 = 0.8m/s.

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