Abicycle racer is going downhill at 10.4 m/s when, to his horror, one of his 2.34 kg wheels comes off when he is 68.0 m above the foot of the hill. we can model the wheel as a thin-walled cylinder 85.0 cm in diameter and neglect the small mass of the spokes. how fast is the wheel moving when it reaches the foot of the hill if it rolled without slipping all the way down?

What is the rate of 12 liters of water moving through a water hose in 4.0 minutes?

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.

What are the north and south poles of a solenoid change with?