Which of the following is true about a hybrid? * a. it combines the gas-powered engine and an electric motor into one system. b. it can go faster than a gas-powered car. c. it uses more gas than a gas-powered car.

Un jugador de beisbol batea un foul recto en el aire.la pelota deja el bate con una rapidez de 120 km/h. en ausencia de resistencia del aire. ? cual sera la rapidez de la pelota cuando la atrape el catcher

Ametal ball with a mass of 0.028 kg is dropped from rest at a height of 1.0 meters above the ground. assuming the energy in the ball is conserved, how much kinetic energy will the ball have when it is 0.5 meters above the ground?

Explain what it means to view something from a frame of reference. provide an example that illustrates your explanation. (4 points)