A car accelerates from rest for time t1 at constant rate a1 and then it retards at the constant rate a2 for time t2 and comes to rest. t1/t2 =
(a) a1/a2
(b) a2/a1
(c) a12/a22
(d) a22/a12
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A car accelerates from rest for time t1 at constant rate a1 and then it retards at the constant rate a2 for time t2 and comes to rest. t1/t2 =
(a) a1/a2
(b) a2/a1
(c) a12/a22
(d) a22/a12