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Two balls are thrown straight up. the first ball is thrown with twice the initial speed of the second. ignore air resistance. how much higher will the first ball rise?]
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Two balls are thrown straight up. the first ball is thrown with twice the initial speed of the second. ignore air resistance. how much higher will the first ball rise?]

User Yermo Lamers
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ball 1: h1=U^2/2g Uo=U
ball 2: h2=(2U)^2/2g
4U^2/2g
h2=4h1
User Tashauna
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