Answer:
You input potential energy into the rubber band system when you stretched the rubber band back. Because it is an elastic system, this is kind of potential energy is specifically called elastic potential energy.
True ! Attending the funeral of a foreign leader IS fulfilling the role of head of state.
Quantum theory is the theoretical basis of modern physics that explains the nature and behavior of matter and energy on the atomic and subatomic level. The nature and behavior of matter and energy at that level is sometimes referred to as quantum physics and quantum mechanics.
Gold’s molar mass is about 196 while aluminum is about 27, thus 50cm of gold has more mass
