Calculate the kinetic energy of a dog,
mass = 10 kg, running at a speed of 2 m/s.
of a. 10 j
b. 20 j
c. 40 j
d. 80 j

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 distance does a car travel as its speed changes from 0 to 20 m/s in 17 s at constant acceleration?

Anthropology is the study of the effects of disease on the body, while forensic anthropology studies the disease of crime a.) true b.) false