Question

The velocity v of a body moving along a straight line
varies with time t as v = 2t2 e-t, where v is in
m/s and t is in second. The acceleration of body
is zero at t =
(1) O
(2) 2s
(3) 3
(4) Both (1) & (2)​

Answer 1

Answer:

0 because 2-2/t = 0/t

= 0 accelaration produced