You lift a 30 N crate 2 meters onto a shelf. it takes you 5 seconds to accomplish this. how much gravitional potential energy does the crate gain

A (n) 0.49 kg softball is pitched at a speed of 13 m/s. The batter hits it back directly at the pitcher at a speed of 23 m/s. The bat acts on the ball for 0.014 s. What is the magnitude of the impulse imparted by the bat to the ball?

What if energy, like electricity, could not be converted to other forms like sound, heat, motion, or light?

According to the law of conservation of charge in alpha decay the total number of protons on one side of the equation equals the total number of protons on the other side of the equation true or false

A sky diver steps from a high-flying helicopter. If there were no air resis - tance, how fast would she be falling at the end of a 12-second jump?

Technician A says that in a parallel hybrid design, only the electric motor is connected to the transmission.

The decomposition of a substance by an electric current is called

Along some shorelines, incoming waves cause the water to simply rise and fall rather that form a surf zone. What does this tell you about these shorlines?

Which word best describes the rate at which work is done? work energy power velocity

Explain why a valve would last longer in the pulmonary position than in the aortic position

Think about the process of heating water, the heating and upward motion of hot steam and air, and the spiral spinning. For these events, list each form of energy associated with the heat source, the water, the steam and air, and the spiral.