What type of balls sink and why?

Calculate the heat capacity per object when the total energy is 4 quanta. (think of this in terms of increasing from 3.5 quanta of energy in the system to 4.5 quanta of energy in the system, if that were possible.) c4 = __ j/k/object

Ais useful when you need a simple machine to you separate two things. a. lever b. screw c. pulley d. wedge

What is the rate of change in a objects position?