Mar
20
What it the ratio of a person’s weight on Planet X to that on Earth? ?
By
Planet X has an equatorial radius of 7.90 107 m and a mass of 5.88 1026 kg.
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Planet X has an equatorial radius of 7.90 107 m and a mass of 5.88 1026 kg.
5 Comments
March 20th, 2010 at 10:10 pm
well i think it was Pluto but if u cant us that one maybe mars
March 20th, 2010 at 11:10 pm
g=M1 M2/(r (M1+M2)
March 20th, 2010 at 11:53 pm
do your own homework
March 21st, 2010 at 12:42 am
HA! they gave us this quiz in university! it took me wuite some time to figure it out. i can’t be bothered again…dysarithmia.
March 21st, 2010 at 1:08 am
F = GMm/r²
F ≅ M/r²
mass of earth = 5.97 E24 kg
radius or earth = 6.36 E6 m
so
F_planet X = (5.88 E26/ 5.97 E24)/(7.9 E7/ 6.36 E6)² F_earth
F_planet X = 0.638 F_earth