Question 1 A ball is set at the top of a 77.4 cm long ramp. Once the ball is released,
A
1.4 cm/s
B
2.3 cm/s
C
24 cm/s
D
43 cm/s

In one or two sentences, describe how you did in the balancing game. in a few more sentences, explain one strategy you learned for balancing more complex equations.

What kind of simple machine is a catapult?

If there's a small amount of friction between two surfaces, the result could be select all that applya. no movement b. heatc. a little bit of movementd. sliding around