Homework Help: physics

Posted by Mandy on Thursday, March 17, 2011 at 6:29pm.

You know your mass is 69 kg , but when you stand on a bathroom scale in an elevator, it says your mass is 78 kg. What is the magnitude of the acceleration of the elevator?

physics - bobpursley, Thursday, March 17, 2011 at 7:25pm
Scale*g=mg+ma solve

scale= m(1+a/g)

78=69(1+a/g)

solve for a.
physics - Anonymous, Tuesday, February 19, 2013 at 9:26pm
01111

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