# A particle is moving in a straight line.its displacement at time t is given by s (in m) =-4t^2+2t,then its velocity and acceleration at time t=1/2 second are..???

##### 1 Answer

Aug 7, 2018

#### Answer:

Please see the explanation below.

#### Explanation:

The displacement is

The velocity is the derivative of the displacement

So,

And when the time is

The acceleration is the derivative of the velocity

The acceleration is constant whaever the value of