PEelastic = 1 over 2 1 2 kx2
Correct!
Law of Conservation of Energy Equation
Correct!
KE1 + PE1 = KE1 + PE1
Correct!
ME = KE + PE
Correct!
A 100 kg rock is sitting at the top of a hill at a height of 100 m.
Correct!
A 20 kg car is moving at a rate of 50 m/s.
Correct!
Mechanical Energy Equation
Correct!
PEg = mgh
Correct!
KE = 1 over 2 1 2 mv2
Correct!
Potential Energy Elastic Equation
Correct!