Posted by edward on Thursday, June 23, 2011 at 6:13pm.
The planet mars has a mass of 6042e23 kg and a radius of 3038e6 m. how much would a 60 kg person weigh on Mars compared to their weight on Earth? How heavy he would feel he weighed in kg on Mars?

physics  drwls, Thursday, June 23, 2011 at 6:24pm
The value of the acceleration of gravity "g" on Mars is
G*M/R^2
where the M and R are the mass and radius of Mars, which you have provided.
G is Newton's universal gravity constant.
Compare the Mars g to the g value on Earth, which is 9.8 m/s^2.
g is less on Mars. Weights on Mars will be reduced by the same factor.

physics  Damon, Thursday, June 23, 2011 at 6:28pm
YOU MEAN:
6.042e23 kg and a radius of 3.038e6
Kg, mass, is the same everywhere.
weight in Newtons is m * local g
Fearth = m g = 9.81*60 = 588.6 Newtons = weight on earth
on Mars:
F = G 60 Mmars/Rmars^2
= 6.67*10^11 * 60 * 6.042*10^23/(3.038^2*10^12)
= 262*10^0 = 262 N = weight on Mars

physics  Donny G, Friday, January 9, 2015 at 11:07am
Boss La graw
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