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Answer to Question #42203 in Other Physics for Tinus

Question #42203
State the energy change that takes place as a person falls from 20m to 25m below the platform.
Expert's answer
The energy change depends on the person's mass. So, if it equals m, the change of potential energy will be

dE = m*g*dh,

where g = 9.8 m/s2 is the acceleration of free fall and dh = 25m - 20m = 5 m.

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