This content can also be viewed on the site it originates from. Suppose you throw some object near the surface of the earth. If the only significant force on the object is the constant downward ...

This is really a lab that I have students do, but I am pretty sure they don't read this blog - so it is ok. If they are reading this, hi! We have these projectile cannons that shoot small balls. In ...

We describe an experiment that tests the hypothesis that projectile points with high thickness: length ratios are more durable than points with low thickness: length ratios. Fifty obsidian projectile ...