# Work, energy, and cats

Find the mass, in $$\text{kg},$$ of a cat whose gravitational potential energy decreases from 300 $$\text{J}$$ to 200 $$\text{J}$$ over 2 $$\text{m}.$$ Take the acceleration due to gravity to be $$g = 10 \frac{\text{m}}{\text{s}^2}.$$

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