Abaseball player throws a ball straight up and catches it 3.0 s later. if the ball accelerates at 9.85 m/s2 down, at what velocity did he throw the ball?

The transfer of heat through the movement of a gas or liquid a. convection b. conduction c. radiation

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)

What is a subatomic particle with a negative charge and very little mass?