how much heat is needed to warm 0.52 kg of gold from 30 degrees C to 120 degrees C note that gold has a specific heat of 136 joules per kilogram degrees Celsius

An apple is falling from a tree. disregarding air resistance, which diagram shows the free-body diagram of the force or forces acting on the apple?

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

True or false: the revolution of the earth creates day and night as it rotates around the sun