A 10 kg rock is suspended 320 m above the ground.

1 answer:

7 0

Potential energy<span> is energy which results from position or configuration. It is the energy stored in an object not moving. It is calculated by:

PE = mgh

where m is the mass, g is the gravitational acceleratin and h is the height.

PE = 10 ( 9.8) (320) = 31360 J = </span>3.1 x 104 J --------> OPTION 2

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