On a hot summer day several swimmers decide to jump into a river. they step off the bridge and strike the water at 1.5s later. ignore air resistance. what is the height of the bridge? i did it but i don’t know if it’s right

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.