3. a man of mass 80 kg standing at the top of a tall
building has 96000 j of g. p.e. how tall is the
building?

122.45 meters

Explanation:

G.P.E is m*g*h

The mass is 80 kg and gravity is 9.8 m/s². The G.P.E is 96000 J

Plug those in to the equation

96000=80*9.8*h

Multiply 80 and 9.8 to get 784

96000=784h

Divide by 784 on both sides to get h=122.45 meters

Hope this helps

hi there!

out of the two, (b) precision would be more reasonable.   however, both a and b could be pretty reasonable.

-awesomerepublic   : )