# athlete lifts a barbell three times as high as another. What is the ratio of changes in potential energy in the two lifts?

### 2 Answers

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- Andrew SmithLv 71 year ago
I cannot understand why you would ask this question.

However if the gain in potential energy = mgh

then to do it formally

p2/p1 = ( mgh2)/ mgh1)

if both m and g are kept the same then

p2/p1 = h2/h1 = 3/1 = 3

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