Question
The decreases in the potential energy of a ball of mass $25 \mathrm{~kg}$ which falls from a height of $40 \mathrm{~cm}$ is(A) $968 \mathrm{~J}$(B) $100 \mathrm{~J}$(C) $1980 \mathrm{~J}$(D) $200 \mathrm{~J}$
Step 1
Step 1: The potential energy of an object at a height is given by the formula $PE = mgh$, where $m$ is the mass of the object, $g$ is the acceleration due to gravity, and $h$ is the height. Show more…
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