Homework Help: Physics

Posted by Lina on Thursday, June 2, 2011 at 10:53am.

The mass of an astronaut is 72kg.
(a) what is his weight on earth ( taking g to be 10N/kg) ?
(b) if the astronaut is on the moon's surface where the acceleration due to gravity is one-sixth on the earth , calculate
(I) the mass
(ii) the weight of the astronaut

Thanks for helping me out , good deeds will be return :)

Physics - drwls, Thursday, June 2, 2011 at 11:50am
(a) Weight = Mass * g = 720 Newtons

(b)
(i) mass M stays the same at 72 kg
(ii) 1/6 of 720 Newtons = ___

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