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math formula for potential energy. G is the acceleration due to gravity in ms -2. Ignoring air resistance which is small for this little drop anyway that PE gets converted into KE.
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The equation for calculating the potential energy of a spring is PE 12 k x 2 where k is the spring constant and x is the amount of compression. Substituting the values in the formula PE m x g x h 30 x 98 x 80 23520 J. V 2 2 KE m.
Give the formula for calculating the gravitational potential energy.
Ignoring air resistance which is small for this little drop anyway that PE gets converted into KE. H is the height of the object with respect to the reference point in m. The formula of mechanical energy is ME K. Substituting the values in the formula PE m x g x h 30 x 98 x 80 23520 J.
