How can broadcasting stations send their signal around the world? a. using tv satellites b. using x-rays c. using the global positioning system d. using cellular telephones

Write the equation for momentum, first using symbols for the variables, then using words for the variables.

How would a small bar magnet be oriented when placed at position x?

Estimate the schwarzschild radius (in kilometers) for a mini-black hole formed when a superadvanced civilization decides to punish you (unfairly) by squeezing you until you become so small that you disappear inside your own event horizon. (assume that the your weight is 50 kg)