An object with a massof 100 grams (0.100 kg) is dropped from a certain height and has a velocity of 60 meters/second. If the potential energy of this object is 179.99 joules, how high was the object when it was dropped?

Question

anonymous · Answer

An object with a massof 100 grams (0.100 kg) is dropped from a certain height and has a velocity of 60 meters/second. If the potential energy of this object is 179.99 joules, how high was the object when it was dropped?

anonymous · Answer

179.99 joules = (.1)(9.8)h?  (using mass and gravity)
That yields the answer of h= 183 metres. (roughly) 
 
Or you could use velocity^2/2g
60^2/19.6 = 183 metres.