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3 years ago

The potential energy of an apple is 6.00 joules. The apple is 3.00-meters high. What is the mass of the apple?

1 answer:

8 0

   Potential energy = (mass) x (gravity) x (height)

Divide each side by (G x H) : Mass = PE / (G x H)

PE = 6 joules
Gravity = 9.8 m/s
Height = 3 m
   Mass = 6 / (9.8 x 3) =

   6 / (29.4) = <em>0.204 kg</em>

(weighs about 2 newtons or 7.2 ounces on Earth)

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