If you have a cart, and Bob is pushing it West with 120N force, and Bill is pushing it East with 160N force, what is the force needed to result in non-accelerated motion? That is, what is the Force needed to make the net force zero? (answer with force and direction)

	a.	40 N East
	b.	380 N West
	c.	60 N East
	d.	40 N West

If a basketball player jumps up in the air vertically, with an initial vertical velocity of 20.0m/s, how long does it take to reach the the peak of their jump?

	a.	4 seconds
	b.	2 seconds
	c.	1 second
	d.	10 seconds