The Three Gorges Dam on the Yangtze River in China is the world’s largest hydroelectric generating station. The dam is 2.3 km long and 101 m high, with a reservoir that floods 632 km2 of land. The dam provides electricity to nine provinces in China. Is the electricity the dam provides worth the problems it causes?

Ablue car pulls away from a red stop-light just after it has turned green with a constant acceleration of 0.5 m/s 2 . a green car arrives at the position of the stop-light 6.5 s after the light had turned green. if t = 0 when the light turns green, at what time does the green car catch the blue car if the green car maintains the slowest constant speed necessary to catch up to the blue car? answer in units of s.