As a wavelength decreases the crest of the wave a. become wider b. become shorter c. get lose together d. get farther apart

Ryan is examining the energy of the particles in a bar of gold. what is ryan most likely studying?

What is the magnitude of the gravitational force acting on the earth due to the sun?

Hydroelectricity provides about 7 percent of the electricity generated in the united states. (a) explain how a hydroelectric power plant converts energy stored in water into electricity. (b) identify two factors that determine the amount of electricity that can be generated by an individual hydroelectricity power plant. (c) describe the two main types of land-based hydroelectric power plants. (d) describe two economic advantages and two environmental disadvantages of hydroelectricity.