# An object's two dimensional velocity is given by #v(t) = ( t^2 - 2t , cospit - t )#. What is the object's rate and direction of acceleration at #t=2 #?

##### 1 Answer

Jan 18, 2018

#### Answer:

The rate of acceleration is

the direction is

#### Explanation:

Acceleration is the derivative of the velocity

When

The rate of acceleration is

The direction is