Question

Two cars A and B starts from the same point.
Car A moves with uniform speed of 40ms-'
and car B starts from rest with an accelera
tion of 2ms-7. If car B starts at t=0 and car A
starts from the same point at t=10s, then the
time during the journey in which car A was
ahead of car B is​

Answer 1

Answer:

This is ur answer.....

I hope this may be clear to you....

And may satisfy you...

Explanation:

We can get this answer by putting the second equation of motion

i.e

s = ut + 1/2 a( t×t)

The explanation is given clearly in the photos....

With figure explanation

So, T=20 seconds