Why does a car move forward while traveling on a road, even though its wheels are equipped to spin backwards? a. The force of the road is greater than the force of the tires c. The force of the tires overcomes the force of the road b. The reaction force of the road pushes the wheels forward d. The wheels only appear to spin backwards Please select the best answer from the choices provided A B C D

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.