Question

A particle moves in a straight line with an acceleration a m/s2 at time t seconds, where 

a = -1/t^2. When t=1 the particle has a velocity of 3m/s. If the velocity of the particle at t = 4s is 9/n. The value of n is​

Answer 1

$hope \: this \: will \: help \: u$

Answer 2

Answer:

upprr 1 answr is crrctt ............