A hockey player traps a fast ball with deft use of the stick. In terms of kinetic energy and work done, why is it more difficult to stop a faster ball that is otherwise identical?

Aball horizontally thrown from a cliff at 8m/s

Atank is filled with an ideal gas at 400 k and pressure of 1.00 atm . part a the tank is heated until the pressure of the gas in the tank doubles. what is the temperature of the gas?

What do the atoms of elements in the same group have in common? a. they have the same atomic numbers. b. they have the same average atomic masses. c. they have the same number of electron shells. d. they have the same number of electrons in their outermost shells.