A block with a mass of 5.0 kg is pushed on a frictionless surface through a distance of 5.0 m by applying a horizontal force of 80.0 N. Hint: Use Newton's 2nd Law to find the acceleration first
Applied
Force = 80.0 N
m = 5.0 kg
5.0 m
If the block starts from rest, what is its final velocity?
А
B
8.9 m/s
12.6 m/s
16.0 m/s
с
D
31.6 m/s

Apulley with a mechanical advantage of 5 will require you to pull times the amount of rope. a. 1/5 b. 5 c. 10 d. 15

30 points - when can a theory be modified if a new type of technology allows for new observations that raise new questions? a. immediately, while the questions about the theory are being asked b. after new hypotheses related to the theory are tested in experiments c. only after the new observations disprove all parts of the theory d. while scientists begin to think about how the theory could improve

A2.0 μf capacitor and a 4.0 μf capacitor are connected in series across a 0.827-kv potential. the charged capacitors are then disconnected from the source and connected to each other with terminals of like sign together. find the voltage across each capacitor.