A coin released at rest from the top of a tower hits the ground after falling 2.7s. What is the velocity of the coin as it hits the ground?

What is the internal energy of 4.00 mol of diatomic nitrogen gas n2 at 455k

Amagnetic field applies forces on: a)static chargesb)moving chargesc)water flow

At the negative terminal of the battery the electron has electric potential energy. what happens to this energy as the electron jumps from the negative to the positive terminal?