Comments on: What It the Ratio of a Person’s Weight on Planet X to That on Earth? ?

By: Yugiantoro

Yugiantoro — Sun, 21 Mar 2010 01:08:26 +0000

F = GMm/r²

F ≅ M/r²

mass of earth = 5.97 E24 kg
radius or earth = 6.36 E6 m

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

sofia — Sun, 21 Mar 2010 00:42:05 +0000

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.

Vinyl Mesh — Sat, 20 Mar 2010 23:53:57 +0000

do your own homework

juk — Sat, 20 Mar 2010 23:10:03 +0000

g=M1 M2/(r (M1+M2)

olivia — Sat, 20 Mar 2010 22:10:21 +0000

well i think it was Pluto but if u cant us that one maybe mars