easy physics equation.

Physics
Tutor: None Selected Time limit: 1 Day

Engineers are trying to create artificial "gravity" in a ringshaped space station by spinning it like a centrifuge. The ring is 100 m in radius. How quickly must the space station turn in order to give the astronauts inside it apparent weights equal to their real weights at the earth’s surface? 

The number of significant digits is set to 3;


Apr 24th, 2015


solution

formula

newton 2nd law

mg = mv^2/r

mass are cancel each other

radius is given 

so 

v-31.3 m/s

Apr 24th, 2015

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Apr 24th, 2015
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Apr 24th, 2015
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