explain the scientific method for dropping a penny from the empire state building to see if it will penetrate someones head below
Surely your teacher did not assign this. If so, I would bring attention to your parents, and ask them to discuss this with the teacher. We shouldn't ever put in the minds of students to suggest there are rational reasoning or educational purpose in figuring out how to injure people.
Perhaps it is just your teacher is boarding insanity. Why not figure the force of an explosion in the cafeteria to see if it would crush kids skulls at the entrance.
Now it could be, you have made this up, but I doubt it.