Question

If a body starts from rest then which of the following is correct? A. vf = vi , B. vi = - at C. vf = at , D. vf - vi = t

Answer 1

Please refer to the attachment for the solution....

Hope you get that right....

Answer 2

Option C is correct

Explanation:

• First equation of motion is related to the motion of any body that is initial and final motion of a body are related and given as

=> v = u + a t

where, v = final velocity of the body

u= initial velocity of the body

a = acceleration of the body

t = time taken by the body to reach at final velocity

Given, body starts from rest so initial velocity is zero

u= 0

=> v = 0 + a t

=> v = a t

Hence option C is correct

To know more about equations of motion, visit :

Derive the kinematic equations of motion for constant acceleration

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