An astronaut working on the Moon tries to determine the gravitational constant G by throwing a Moon rock of mass m with a velocity of v vertically into the sky. The astronaut knows that the Moon has a density pof 3340 kg/m and a radius Rof 1740 km. (a) Show with (1) that the potential energy of the rock at height h above the surface is given by: R 47G mp. 3 E (2) R+h (b) Next, show that the gravitational constant can be determined by: -1 3 v2 G 8n pR? R (3) R+h (c) What is the resulting G if the rock is thrown with 30 km/h and reaches 21.5 m?
An astronaut working on the Moon tries to determine the gravitational constant G by throwing a Moon rock of mass m with a velocity of v vertically into the sky. The astronaut knows that the Moon has a density pof 3340 kg/m and a radius Rof 1740 km. (a) Show with (1) that the potential energy of the rock at height h above the surface is given by: R 47G mp. 3 E (2) R+h (b) Next, show that the gravitational constant can be determined by: -1 3 v2 G 8n pR? R (3) R+h (c) What is the resulting G if the rock is thrown with 30 km/h and reaches 21.5 m?
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter6: Energy Of A System
Section: Chapter Questions
Problem 52P
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