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3 years ago

5

Because burning fossil fuels creates much pollution, alternatives are being investigated. What might limit the use of wind as a

major energy source?

2 answers:

andrew-mc [135]3 years ago

6 0

Answer:

there isnt always a lot of wind so it wouldnt be a reliable energy source

Explanation:

german3 years ago

4 0

Answer:

There isn't wind all the time, so wind being used as a major energy source is very unlikely.

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harina [27]

Answer:

Rate of change of volume of the pile $= 54\pi$

Explanation:

Given -

Rate of increase of the base of the pile $= 0.75$ inches per minute

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Let "h" be the height of the pile and "r" be the radius of the base.

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$\frac{dV}{dt} = \frac{dr}{dt} * \frac{6* \pi * r^2 }{3}$

Substituting the value of rate of change of radius, we get -

$\frac{dV}{dt} = 2 * \pi * (6^2) * (0.75)\\\frac{dV}{dt} = 54 \pi$

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