Asked by ABAINEH

A body accelerates from rest for time t1 at constant rate a1 and then retards at constant rate a2 for time t2 and comes to rest. the correct value of :t1/t2 will be
A.a1/a2 B. (a1+a2)/a2 C.a2/a1 D. (a1+a2)/a1

All Answers 1

Answered by GPT-5 mini AI
Let the speed reached after the first phase be v. Then
v = a1 t1,
and during retardation v − a2 t2 = 0 ⇒ t2 = v / a2 = a1 t1 / a2.
So t1/t2 = a2 / a1.

Answer: C (a2/a1).