What is the kinetic energy of a 0.135 kg baseball thrown at 40.0 meters per second?

The mantle is made up of which structural zones?

What distance does a car travel as its speed changes from 0 to 20 m/s in 17 s at constant acceleration?

What is the mass of the water that is being heated? it requires 2,500 joules to raise a certain amount of water (c = 4.186 jig c) from 20.0°c to 60.0°c. o 159 o 40 g o 63 g o 80 g