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Tarzan (m = 68kg) swings down from a height of 4.8m on a vine to save Jane (m = 35kg) from some hungry hippos. if he gravs jane in an inelastic collision at the bottom of the vine's path, how high will they swing up to after the collision?
12 years ago

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Elena
m₁gh₁ =mv²/2,
v=sqrt(2gh₁)=…

m₁v=(m₁+m₂)u,
u= m₁v/(m₁+m₂)=..
.
(m₁+m₂)u²/2=(m₁+m₂)gh₂,
h₂=(m₁+m₂)u²/2(m₁+m₂)=..
12 years ago

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