# An object's two dimensional velocity is given by #v(t) = ( 2t^2 , t^3 - 4t )#. What is the object's rate and direction of acceleration at #t=7 #?

##### 1 Answer

Jun 9, 2016

Angle with

#### Explanation:

Given two dimensional velocity

Let the two dimensions be

To find acceleration

or

We need to find acceleration at

or

Now

If