How does the electric generator in a wind turbine convert kinetic energy into electrical energy?
a.
the turbine spins a large battery within a wire coil.

b.
the turbine spins a large magnet within a wire coil.

c.
the turbine spins a large magnet within a battery.

d.
the turbine brushes electrons off of the spinning shaft.

The graph represents the distance a car travels over time while on the highway. which statement about the car's trip is accurate? a) the car does not move over time. b) the car travels at a constant velocity. c) the car's velocity increases constantly over time. d) the car's velocity decreases constantly over time.

If an athlete runs once around a track, back to the starting line, her average velocity is zero. true or false?

Arigid tank is divided into two equal parts by a partition. one part of the tank contains 3 kg of compressed liquid water at 400 kpa and 60°c while the other part is evacuated. the partition is now removed, and the water expands to fill the entire tank. determine the entropy change of water during this process, if the final pressure in the tank is 40 kpa. use steam tables.