A baseball is hit by a bat really hard and the ball is hit out of the park. What is experiencing a change in velocity? A) the ball that was thrown fast in the direction of the batter and then hit out of the park
B) the batter who was waiting to hit the ball
C) the person who threw the ball

If the speed of a particle triples ,by what factor does its kinetic energy increase?

Your town is considering building a biodiesel power plant describe at least two advantages and two disadvantages

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.