Relativistic Frictional Force

[Sethomas]

On my first collegiate physics test, I had to derive an equation for the rate at which at elephant pushes a tub of water up an incline plane with its trunk while decreasing its mass by drinking from it. I think the applied force was variable. I got a 12 out of 30, which was one of the best scores in the class.

Having a string theorist for a professor has its ups and downs.