xpertta.com/Common/TakeTutor IWW2 Begin Date: 9/13/2018 12.01:00 AM-Due Date:9/1
ID: 1880813 • Letter: X
Question
xpertta.com/Common/TakeTutor IWW2 Begin Date: 9/13/2018 12.01:00 AM-Due Date:9/19/2018 11 59.00 PM End Date: 12/7/2018 11:59 00 PM (33%) Problem 3: On the surface of the Moon an astronaut has a weight of F-160 N The radius ofthe Moon is R.-1.74x 106 m, the gravitational constant is G 667 x 10N (k and the mass of the Moon is Mm 735 x 102 kg Calculate the mass of the astronaut, m, in kilograms Grade S Deductic Potectial cos0 cotan asin0 atanO acotan sinh0 coshO tancotanh0 . Degrees Radians 7 8 9 4 5 6 1 2 3 Submiss Attempta 00% per Kint I give up! Feedback: deducti per feedback Hints: _ deduction per htt Hats remaining:-Explanation / Answer
gravity on the moon = GM/r^2
= 6.67*10^-11*7.35*10^22 / (1.74*10^6)^2
= 1.62 m/s2
F = mg
m = F/g
= 160/1.62 = 98.8 kg
so the mass of the astronaut is 98.8 kg
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