Question

A body starting from rest, accelerates at a
constant rate a m/s? for some time, after which it
decelerates at a constant rate b m/s? to come to
rest finally. If the total time elapsed is t s the
maximum velocity attained by the body is given
by
ab
ab
(A) -t m/s
(B)
t m/s
a + b
a-b
2ab
2ab
(C) -t m/s
(D) -t m/s
a + b
a-b

Answer 1

Explanation:

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