A soft ball is on a table 2.4m above the ground. What is the mass of the soft ball if it has a potential energy of 568J.
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Answer:24.15 kg
Explanation:By the formula P.E=mgh,where P.E is potential energy, m is mass of object, g is acceleration due to gravity, and h is the height of object above ground.
From this we get -
568=m(9.8)(2.4)
Therefore, m=24.149 kg or 25.15 kg (approx)
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