The value of gravitational acceleration of a body on earth is 9.8 meters/second2. the gravitational potential energy for a 1.00 kilogram object is found to be 12.5 joules. how high is this object above the ground level, where pe = 0?

1.28 m

Explanation:

the gravitational potential energy of an object is given by

where

m is the mass of the object

g is the gravitational acceleration

h is the height of the object with respect to a reference point.

In this problem, m=1.00 kg, g=9.8 m/s^2, and the energy of the object measured with respect to the ground level is E=12.5 J. Therefore, by re-arranging the equation we can calculate h, the height of the object above the ground level:

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