Homework Help: Physics

Posted by Dede on Thursday, November 4, 2010 at 9:21pm.

A man weighs 1220 N on Earth. What would he weigh on Jupiter, where the free-fall acceleration is 25.9 m/s2? The acceleration of gravity is 9.8 m/s2 .
Answer in units of N.

Physics - MathMate, Thursday, November 4, 2010 at 9:51pm
The weight on any planet is mg, where g is the appropriate acceleration due to gravity.
On earth, it is mg = 1220N, therefore
m = 1220/g
On Jupiter,
mg' = 1220/g*g'
= 1220*(25.9/9.8) N
= ? N

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