Answer to Question #42203 in Physics for Tinus
State the energy change that takes place as a person falls from 20m to 25m below the platform.
1
2014-05-08T10:47:10-0400
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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