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An adult dolphin weighs around 1460 N. How fast must he be moving as he leaves the water vertically in order to jump to a height of 2.90 m? Ignore air resistance.

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PE at top=KE at launch
mgh=1/2 m v^2
1460*2.90=1/2 (1460/9.8)v^2

solve for velocity v.

you suk bob

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