The gravitational acceleration g at Earth's surface actually depends slightly on latitude: this means that a ball that is dropped at the equator will accelerate slightly differently than one that is dropped in Ottawa in Canada. At Angel Falls in Venezuela (latitude 5°58'03'' N) the acceleration is about 9.78 m/s2, while at Mount Ossa in Tasmania (latitude 41°52'12'' S) the acceleration is about 9.80 m/s2. The difference may seem small, but which place would offer a higher power input Pin for a hydroelectric dam (if the water flow rate and water level drop are the same)?

The gravitational acceleration g at Earth's surface actually depends slightly on latitude: this means that a ball that is dropped at the equator will accelerate slightly differently than one that is dropped in Ottawa in Canada. At Angel Falls in Venezuela (latitude 5°58'03'' N) the acceleration is about 9.78 m/s2, while at Mount Ossa in Tasmania (latitude 41°52'12'' S) the acceleration is about 9.80 m/s2. The difference may seem small, but which place would offer a higher power input Pin for a hydroelectric dam (if the water flow rate and water level drop are the same)?

	Mount Ossa, Tasmania.
	Angel Falls, Venezuela.
	The power input would be equal.