alansmurf453
alansmurf453 alansmurf453
  • 20-12-2022
  • Chemistry
contestada

A box is held off the ground at a height that gives it a total mechanical energy equal to 600 J. It is then dropped. After it falls for a time, t, it has 250 J of kinetic energy. How much potential energy does the box have at time t?

A.2.4 J
B.350 J
C.850 J
D.150,000 J

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