Question

A car start to move from rest with uniform acceleration 10m/s then after 2 sec , what is its velocity

Answer 1

GIVEN:

u=0   (car starts from rest)

a=10$m/s^{2}$

t=2s

velocity after 2 seconds=?

V=u+at    (kinematic equation)

V=0+(10)(2)

V=20m/s

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Answer 2

Since, We know that when a body starts moving after rest then surely its Initial Velocity becomes Zero.

Given,

=> a = 10 m/s^2

=> t = 2 s


Now,

=> v = u+at

=> v = 0+ 10 x 2

=> v = 20 m/s



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