# The velocity of an object with a mass of #3 kg# is given by #v(t)= 3 t^2 - 5 t #. What is the impulse applied to the object at #t= 2 #?

##### 1 Answer

Dec 19, 2015

#### Answer:

#### Explanation:

The impulse is the average force x time

The average force id given by:

So the impulse =

So after 2s:

Assuming the impulse is over a period of 2s then