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College Physics

11th Edition
Raymond A. Serway + 1 other
ISBN: 9781305952300

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BuyFindarrow_forward

College Physics

11th Edition
Raymond A. Serway + 1 other
ISBN: 9781305952300
Textbook Problem

Mature salmon swim upstream, returning to spawn at their birthplace. During the arduous trip they leap vertically upward over waterfalls as high as 3.6 m. With what minimum speed must a salmon launch itself into the air to clear a 3.6-m waterfall?

To determine
The initial velocity of the salmon.

Explanation

Given Info: The acceleration of the salmon is 9.80m/s2 , the final velocity of the salmon is 0 , and the displacement of the salmon is 3.6m .

Explanation:

The formula used to calculate the initial velocity of the salmon is,

v0=v22aΔy

Here,

Δy is the displacement of the salmon

v is the final velocity of the salmon

v0 is the initial velocity of the salmon

a is the acceleration

Substitute 0 for v , 9.80m/s2 for a and 3

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