3 years ago

A measure of how far an object has moved from a starting point

Physics

1 answer:

Anvisha [2.4K]3 years ago

5 0

Volume??? velocity??????

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Answer:

$S = \dfrac{1}{2.5}$

Explanation:

given,

side slope = 1 : 1

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bottom width (b)= 8 ft

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slope of channel = ?

$R = \dfrac{A}{P}$

$R = \dfrac{y(b + xy)}{b+2y\sqrt{1+x^2}}$

$R = \dfrac{5(8+ 5)}{8+2\times 5\sqrt{1+1^2}}$

R = 4.69 m

using manning's equation

$Q = \dfrac{1}{n}AR^{2/3} S^{1/2}$

$2312= \dfrac{1}{0.013}\times (5(8+5))\times 4.69^{2/3} S^{1/2}$

$2312=14009.37\times S^{1/2}$

S = 0.406

$S = \dfrac{1}{2.5}$

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