Question
Asked Dec 2, 2019
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An Olympic diver is on a diving platform 4.60 m above the water. To start her dive, she runs off of the platform with a speed of 1.23 m/s in the horizontal direction. What is the diver's speed, in m/s, just before she enters the water?
 m/s
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Expert Answer

Step 1

Time taken for vertical displacement is,

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2S 2S 2(4.60 m) 9.8m/s 0.97s

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Step 2

Newton's equation of motion for final velocity is,

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= u, + at Om/s+(9.8m/s (0.97s) 9.5m/s

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Step 3

Horizontal component of velocity remains constant throug...

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(1.23m/s)-(9.5m/s) =9.6m/s

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