# The velocity v of a body moving along a straight line varies with time t as v= 2t2e-t , where v is in m/s and t in sec. The acceleration of body is 0 at t=

Grade:12

## 1 Answers

Arun Kumar IIT Delhi
askIITians Faculty 256 Points
8 years ago
Hello Student,
$\\ \\v=2t^2e^{-t} \\a={dv \over dt} \\=e^{-t}(4t-2t^2) \\put the value to get the answer \\$
Thanks & Regards
Arun Kumar
Btech, IIT Delhi
Askiitians Faculty