# What impulse occurs when an average force of 9 N is exerted on a 2.3 kg cart, initially at rest, for 1.2 s? What change in momentum does the cart undergo? What is the cart's final speed?

##### 1 Answer

Dec 9, 2015

#### Explanation:

**Impulse (∆p)**

Or

Impulse = change in momentum, so change in momentum =

**Final velocity**

m = 2.3 kg, u = 0, v = ?

The direction of the velocity is in the same direction as the force.