The Expert TA 1 Human-like GX C Secure https://usf16in.theexpertta.com/common/Ta

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The Expert TA 1 Human-like GX C Secure https://usf16in.theexpertta.com/common/TakeTutorialAssignment.aspx Class I Help Homework 4 Begin Date: 9/19/2018 12:01:00 AM Due Date: 9/26/2018 11:59:00 PM End Date: 9/26/2018 11:59:00 PM (10%) Problem 8: On the surface of the Moon an astronaut has a weight of Fg-190 N. The radius of the Moon is Rm-1.74x 106 m, the gravitational constant is G 6.67 x 10-11 N (m/kg2 and the mass of the Moo Mm 7.35 x 1022 kg Assignment Status Click here for detailed view Problem Status Calculate the mass of the astronaut, m, in kilograms. 1 Completed 2 Completed 3 Completed Grade Summary rn = 0% 100% Completed cos0 cotan asin) acos(0 atan acotan sinh0 coshO tanh0 otanh0 Degrees O Radians 5 Partial sinO Attempts remaining: 7 (0% per attempt) detailed view 10 Submit Hint Hints: 0% deduction per hint. Hints remaining: 2 Feedback: 0% deduction per feedback. All coment © 2018 Expert TA, LLC

Explanation / Answer

g = 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

= 190 / 1.62 = 117.33 kg

so the mass of the astronaut is 117.33 kg

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