Water falls over a dam of height h with a mass flow rate of IV , in units of kilograms per second. (a) Show that the power available from the water is P = IVghwhere g is the free-fall acceleration. (b) Each hydroelectric unit at the Grand Coulee Dam takes in water at a rate of 8.50 × 105 kg/s from a height of 87.0 m. The power developed by the falling water is converted to electric power with an efficiency of 85.0%. How much electric power does each hydroelectric unit produce?
Water falls over a dam of height h with a mass flow rate of IV , in units of kilograms per second. (a) Show that the power available from the water is P = IVghwhere g is the free-fall acceleration. (b) Each hydroelectric unit at the Grand Coulee Dam takes in water at a rate of 8.50 × 105 kg/s from a height of 87.0 m. The power developed by the falling water is converted to electric power with an efficiency of 85.0%. How much electric power does each hydroelectric unit produce?
University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter14: Fluid Mechanics
Section: Chapter Questions
Problem 114AP: The left ventricle of a resting adult's heart pumps blood at a flow rate of 83.0 cm3/s , increasing...
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Water falls over a dam of height h with a mass flow rate of IV , in units of kilograms per second. (a) Show that the power available from the water is
P = IVgh
where g is the free-fall acceleration. (b) Each hydroelectric unit at the Grand Coulee Dam takes in water at a rate of 8.50 × 105 kg/s from a height of 87.0 m. The power developed by the falling water is converted to electric power with an efficiency of 85.0%. How much electric power does each hydroelectric unit produce?
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