Question

The displacement x of a particle along a x axis is given by x=3+8t+7t² obtain it's velocity and acceleration at t=2s and t=3s​

Answer 1

$\sf{\red{\underline{\underline{Answer}}}}$

Distancex=3+8t+7t

2

,

Velocity v=

dt

dx

=8+14t

v

t=2s

=8+14×2=36ms

−1

,

a=

dt

dv

=14ms

−2

Answer 2

Answer:

the displacement x of a particle along x axis is given by x is equal to 7t square + 8t + 3 obtained its velocity and acceleration at is equal to 2 seconds.