You can calculate the acceleration of an object moving on a straight line by dividing the blank by the time.

How many molecules are present in 3 mols of silicon dioxide (sio2)?

Explain earth's motion, using the terms "precession" and "rotation" in your answer.

An ice-making machine inside a refrigerator operates in a carnot cycle. it takes heat from liquid water at 0.0 degrees celsius and rejects heat to a room at a temperature of 19.2 degrees celsius. suppose that liquid water with a mass of 76.3kg at 0.0 degrees celsius is converted to ice at the same temperature. take the heat of fusion for water to be l_f = 3.34*10^5 j/kg.how much energy e must be supplied to the device? express your answer in joules.