# 4) The acceleration due to gravity at the surface of a planet of mass M, radius R, is given by the expression, g = GM/R?. a) Mars's diameter is about .5 what earth is and the mass is about .1 that of earth, what would g be in m/s? ? g=6 = 24.5m/62 Gravity can be simulated by rotating a hollow cylinder, that rotation simulates gravity by its centripetal acceleration. If you were standing on the inside of the cylinder the acceleration would push your feet against the wall with your head pointing to the center. If the radius of the cylinder is 300 m... b) What speed v should the rotation be in order to give you the same feeling as if you are standing on Earth?

University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter13: Gravitation
Section: Chapter Questions
Problem 13.10CYU: Check Your Understanding Earth exerts a tidal force on the Moon. Is it greater than, the same as, or...
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