Which of the following is a scalar quantity?

a. 35m
b. 20 m to the right
c. 30 m to the north
d. all of the above

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

Which diagram correctly demonstrates the various forces acting on a ball moving horizontally with some speed?

The discovery of the electron as a subatomic particle was a result of