Homework Help: PHYSICS

Posted by Hannah on Thursday, September 8, 2011 at 8:37am.

A student of weight 830 N was sent to another planet called Nerdland. If Nerdland has a mass that is three times the mass of the earth and a radius that is half the radius of the earth, what would be the mass in kg of the student when on Nerdland?

PHYSICS - Henry, Saturday, September 10, 2011 at 4:14pm
mg = 830 N,
m = 830 / 9.8 = 84.7kg.

When you change planets, your mass does not change. But gravity(g) does
change which causes a change in wt.

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