How do we use a dam to generate electricity?

a) the pressure of the water against the dam spins a turbine.
b) when waves lap against the wall of the dam, a wheel is spun.
c) water flowing through an intake pipe causes a turbine to spin.
d) when the water flows over the top of the dam, the water spins a wheel as it falls down.

Water at room temperature of 20.0°c is poured into an aluminum cylinder which has graduation markings etched on the inside. the reading in the graduations is 300.0 cc. the cylinder with the water in it is then immersed in a constant temperature bath at a temperature of 100°c. what is the reading for the level of water on the graduations of the cylinder after the water and the cylinder reach thermal equilibrium with the bath? the volume coefficient of expansion of water is 2.07 x 10^-4 k-1, and the linear coefficient of expansion of aluminum is 23.0 x 10^-6 k-1. a) 305.0 cc b) 304.0 cc c) 303.5 cc d) 303.3 cc e) 304.5 cc

True or false graphs must include scales that increase by the same amount

How many times did thomas edison mess up the light bulb