You are hired to devise a method to determine the coefficient of frinction between the ground and the soles of a shoe and its competitors. explain your experimental technique and provide a physical analysis that could be used by others using this method

Agraduated cylinder contains 63.0 ml of water. a piece of gold, which has a density of 19.3 g/ cm3, is added to the water and the volume goes up to 64.5 ml. calculate the mass in grams of the gold that was added to the water. explain how you got your answer.

Which describes increasing the efficiency of energy resource

Which symbol in the first law of thermodynamics represents the sum of the chemical and thermal energy stored in atoms and molecules? a. q b.w c.v d.u