Question

How long does a car take to travel 30m, if it accelerates from rest at a rate of 2.0 m s2 ?

Answer 1

Answer:

√30 sec

Explanation:

here u is 0

a is 2

s is 30

so application of 2nd law of motion

s=ut+1/2 at²

30= 0*t+1/2*2*t²

30 = t²

t is √30sec...