Need an idea for a cool reassessment? Here are some random thoughts.

It requires less energy to launch a spacecraft in orbit from the equator than it does from the poles. Why? How much of a difference?

What if you wrapped a string around your bicycle wheel and attached a weight. As the weight fell, the wheel would spin faster. By measuring how long it takes to fall, can you determine the moment of inertia of your wheel?

How much water would it take so that you could make Saturn (the planet) float – if it were a rigid object. I already know the answer to this one and I am going to post it on Friday – but here is your chance to figure it out first.

If you could throw a ping pong ball super fast, how far could you make it go? This one requires some numerical calculations.

Here is another famous one. Suppose Tarzan is swinging on a vine. At what point should he let go so that he travels the farthest after letting go?

You want to use a video in a question – here are some awesome videos. You don’t even need to analyze the videos because they have measurements right in the video.

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