The first law of thermodynamics states that heat added to a system is neither created nor destroyed but is as it changes into other forms of energy.

Asteady current of 1 ais flowing through a conducter calculate the number of electrons that flows through conductor in 1second

Which situation will have the highest resistance? a. long wire and high temperatureb. short wire and high temperaturec. long wire and cold temperaturedshort wire and low temperature

An athlete is holding 24 lb of weights at a height of 6 inches above the stack as shown. to lower the weights, she applies a constant force of 5 lb to the handle. determine the velocity of the weights immediately before they hit the stack.