Asked by landon

a 17 of model plane is flying at a horizontal speed of 14 m/s

the plane goes into a dive and levels off 21 m closer to the earth what was the ammount of potentiomal energy lost in the dive
Answered by landon
a 17 kg
Answered by drwls
P.E. loss = M g H
= 17 kg * 9.8 m/s^2 * 21 m = 3500 J

The speed does not matter
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