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nydimaria [60]
3 years ago
7

7. Assume you are dealing with a vertical walled reservoir having a surface area of 650,000 mwith an inflow of 0.5 m/s. How many

hours will it take to raise the reservoir by 35 cm? (3 marks)
Geography
1 answer:
finlep [7]3 years ago
3 0

Answer:

So reservoir will take 455000 sec to raise 35 cm

Explanation:

We have given surface area of the reservoir = 650000 m^2

Rate of flow = 0.5 m/sec

Height through which reservoir is raise = 35 cm = 0.35 m

So volume \Delta V=surface\ area\times height=650000\times 0.35=227500m^3

We have to calculate the time

Time is given by t=\frac{\Delta V}{rate\ pf\ flow}=\frac{227500}{0.5}=455000sec

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The owner of a tree farm decides to harvest a stand of mature white pine trees. Each white pine yields approximately 62 board fe
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Answer:

$13764 ; $247752 ; $173426 ; $259740

Explanation:

1 white pine = 62 board feets

Density of white pine = 120 trees per acre

Wholesale price per board foot = $1.85

The value per acre of white pines

(Number of board foots per white pine) * (Number of white pines per acre) * (wholesale price per board foot)

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d.

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After 10 years :

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(127 * 120 * $1.85 * 18) = $507492

$507492 - $247752 = $259740

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