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ashna
 3 years ago
Determine the speed with which the earth would have to rotate on its axis so that a person on the equator would weight 3/5 as much as at the present.
ashna
 3 years ago
Determine the speed with which the earth would have to rotate on its axis so that a person on the equator would weight 3/5 as much as at the present.

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CliffSedge
 3 years ago
Best ResponseYou've already chosen the best response.1You'll have to use centripetal force equation.

CliffSedge
 3 years ago
Best ResponseYou've already chosen the best response.1Essentially, you need to find that rotational speed such that the resultant acceleration (gravity minus centripetal) is 3/5 of gravity alone.

CliffSedge
 3 years ago
Best ResponseYou've already chosen the best response.1Get handy the centripetal force formula, Newton's law of gravitation formula, and relevant data such as mass and radius of the Earth, and you'll be able to algebra your way through it.
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