Question

What impulse occurs when an average force of 7.0 N is exerted on a cart for 2.5 s ?

Express your answer to two significant figures and include the appropriate units.

Answer 1

Answer:
`1.7* 10`

Step-by-step explanation:

Given

Force
`F=7 N`

time interval
`t=2.5 s`

Impulse is given by
`=Force * time\ interval\ for\ applied\ force`

`Impulse=7* 2.5=17.5`

For two significant Figure

`Impulse=1.7* 10`