ferruy

The efficiency of a machine is always less than 100% because some of the energy is lost as heat due to friction. True False

Which object has the greatest kinetic energy? a a fast pitched baseball with a mass of .5 kg moving at 46.9 m/s b a person with a mass of 73 kg running 6 m/s c a locomotive engine with a mass of 205,000 kg moving 5 m/s d a truck with a mass of 3,500 kg mo...

In a game of pool, when the cue ball (white ball) is stuck, it collides with the solid blue #2 ball, transferring all of its kinetic energy. What will happen after the collision? a The Blue Solid #2 ball will move away at half the speed because the kineti...