(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

The weigh tof spaceman speff, soley due to the gravitational pull of planet x at its surface is 389N. If he moves to a distance of 1.86*10^4km above the planets surface his weight changes to 24.31N. What is the mass of planet xif speffs mass is 75 kg.

2. Relevant equations

f=ma

f=gm1+m2/r^2

3. The attempt at a solution

i know the answers is 2.96*10^24 kg. nut idk how to get it

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# Planet and speff problem find mass

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