Assume the Earth to be a sphere of uniform density. Calculate: a. its moment of inertia b. its rotational kinetic energy c. Suppose that these energy could be harnessed for our use. For how long could the Earth supply 1.0 kW of power to each of the 7.8 x 10° persons on Earth?
Assume the Earth to be a sphere of uniform density. Calculate: a. its moment of inertia b. its rotational kinetic energy c. Suppose that these energy could be harnessed for our use. For how long could the Earth supply 1.0 kW of power to each of the 7.8 x 10° persons on Earth?
College Physics
1st Edition
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:Paul Peter Urone, Roger Hinrichs
Chapter10: Rotational Motion And Angular Momentum
Section: Chapter Questions
Problem 23PE: (a) Calculate the rotational kinetic energy of Earth on its axis. (b) What is the rotational kinetic...
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