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AP Physics 1: 1.1 Changes and Conservation Laws. What is the speed of the other piece of wood?

AP Physics 1: 1.3 Changes and Conservation Laws. How fast is the particle falling at the instant before it hits the ground?

AP Physics 1: 1.5 Changes and Conservation Laws. Which of the following can be classified as elastic collisions?

Don't let this question about gravitational forces get you down! Yeah, yeah...that was an easy joke. You get what you pay for. 

AP Physics 1: 2.1 Fields in Space. What are the units for the universal gravitational constant G?

We've heard of some crazy dieting fads, but leaving the planet may take the cake. We don't suggest you do that, but we do suggest you answer t...

If there's one good thing about the heat death of the universe, it's that we'll all have an excellent excuse for dodging physics homework.

The real moral of the story here is just "don't get in the way of elephants or tigers." That is not the kind of kinetic energy you want to absorb.

Hi there. We'd like to wave hello to you, but the internet isn't letting us. So instead, accept this fun question about waves and physics! It's alm...

AP Physics 1: Properties of Objects and Systems Drill 1, Problem 1. Which of the following could be considered as an object in the system?

We know you're resisting studying for your AP Physics test. You should at least find out how to increase your resistance so you'll never have...

AP Physics 1: 2.2 Properties of Objects and Systems. Can a quark be described as a system?

AP Physics 1: System Interactions and Changes Drill 2, Problem 5. Which of the following measurements is needed?

AP Physics 1: System Interactions and Changes Drill 3, Problem 5. Which of the following are true about the cart's motion?

We wouldn't give away the answer to this AP Physics question, not for all the joules in the crown. Come back when you've got some actual jewels. Th...

AP Physics 1: 2.3 Waves. Which of the following is best described as longitudinal wave motion?

AP Physics 1: 1.3 Waves. Find the wave speed.

AP Physics 1: 2.1 Waves. What is the largest possible amplitude that the resulting wave can have?