A hemisphere of radius 8 sits on a horizontal plane. A cylinder stands with its axis vertical, the center of its base at the center of the sphere, and its top circular rim touching the hemisphere. Find the radius and height of the cylinder of maximum volume.

Answers

Answer 1

The dimensions of the cylinder that has the maximum volume can be

found be finding the maximum value of the volume function.

[tex]\mathrm{The \ \underline{height \ of \ the \ cylinder \ of \ maximum \ volume \ is \ \dfrac{8}{\sqrt{3} }}}[/tex][tex]\mathrm{The \ \underline{radius \ of \ the \ cylinder \ of \ maximum \ volume \ is \ \dfrac{8 \cdot \sqrt{6} }{3}}}[/tex]

Reasons:

The known parameter of the hemisphere are;

The radius of the hemisphere = 8

Required;

The radius and height of the maximum volume of the inscribed cylinder.

Solution:

Let h represent the height of the cylinder, and let r represent the radius of

the cylinder, we have;

r² + h² = 8²

Therefore;

r² = 8² - h² = 64 - h²

= 64 - h²

The volume of the cylinder, V = π·r²·h = π·(64 - h²)·h

V(h) = π·(64·h - h³)

At the maximum volume, we have;

[tex]\dfrac{dV(h)}{dh} = \dfrac{d}{dh} \left(\pi \cdot \left(64 \cdot h - h^3 \right) \right) = \pi \cdot \left(64 - 3 \cdot h^2 \right) = 0[/tex]

64 - 3·h² = 0

64 = 3·h²

[tex]h =\sqrt{\dfrac{64}{3} } = \dfrac{8}{\sqrt{3} }[/tex]

[tex]\underline{\mathrm{The \ height \ of \ the \ cylinder, \ h} = \dfrac{8}{\sqrt{3} }}[/tex]

[tex]r^2 = 64 - \dfrac{64}{3} = \dfrac{128}{3}[/tex]

[tex]r =\sqrt{\dfrac{128}{3}} = \dfrac{8 \cdot \sqrt{6} }{3}[/tex]

[tex]\underline{\mathrm{The \ radius \ of \ the \ cylinder, \ } r = \dfrac{8 \cdot \sqrt{6} }{3}}[/tex]

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Answer-A

Explanation:

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Answer:

A

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Pollutants mixed with water pass through permeable layers above the aquifer.

What is Groundwater?

Water that is found underground in saturated regions beneath the surface of the earth is known as groundwater. The water table is the term for the saturated zone's upper surface.

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What is the best choice for the equation of the line of best fit shown? Note that this estimate would be a strong prediction since it is an interpolation (between data points) and the graph shows fairly strong negative correlation.

Answers

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Answer:

first one is y= -1.5x+23

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Explanation:

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Answer:

Emily must have permission from her parents in order to furnish the information to the website.

Explanation:

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Answer:

B

Explanation:

The ozone is being broken up in the second and third, which indicates halons. Halons destroy ozone and extinguish fires.

Answer:

B

Explanation:

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Answer:

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Burger King's brand values are vital in dictating the company's brand message, meritocracy, and personality.

The brand values of Burger King include dreaming big, meritocracy, and authenticity. They're placed at the core of the brand and dictate the message of the company.

The brand values are vital in shaping the decision-making processes. The brand values of dreaming big, meritocracy, and authenticity are can be applied in the life of an individual as it helps in one's development.

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An automated packaging machine is a device mostly found in industrialised environment used to package and seal fast moving consumable goods.

The products could be packaged in sachets or in boxes depending on the type of packaging needed

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Primary Package: These are package that are used to enclose the product directly, if the product is edible, the primary package is mostly food safe i.e when it comes in contact with product it does not have any form of harmful effect to the final consumer

Secondary Package: These are packages that are use to enclose are large amount of products are are enclose in a primary package, they are usually in boxes

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Water melts at 0°c. A student observes a liquid that melts at 10ºc. Which conclusion can the student reasonably draw?.

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There are many conclusions that could be drawn however based on the question I believe that the answer looked for would be that:

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Brea and colin do business as dig excavators. In acting on the firm’s behalf, brea makes an honest error in underestimating the cost of a certain project. In this situation, to her firm, brea is liable for a breach of the duty of.

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People often breach duty as a result of some factors. In this situation, to her firm, Brea is liable for one of the choices of breach of the duty.

There are times, the court will say that a breach of duty of care is due to the existence of certain factors.  When an individual is injured, the defendant is said to have breached the duty of care.

Breach of duty often takes place when an individual's conduct fails to meet an applicable standard of care.

As the error was due to a honest mistake, she will be ask to make appropriate corrections.

See full question below

Brea and Colin do business as Dig Excavators. In acting on the firm's behalf, Brea makes an honest error in underestimating the cost of a certain project. In this situation, to her firm, Brea is liable for a breach of the duty of

Loyalty.

accounting

care.

none of the choices.

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Answer:

Flight 93 was the plane that was hijacked and caused 9/11

Explanation:

Answer:

A edge 2021

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Answers

Based on the calculations, the magnitude of side DZ is equal to 4 units.

How to calculate the magnitude of DZ?

From the diagram, we can deduce that CD is parallel to XZ and as such, triangle XYZ is similar to Triangle YCD. Thus, the ratio of their corresponding side lengths are equal.

By applying the similarity condition, we have:

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(XC + CY)/CY = (DZ + DY)/DY

Substituting the given parameters into the formula, we have;

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600 = 25DZ + 500

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Answers

Answer:

The heart, the heart is what makes every moving part working inside our body even though the brain is the one who tells them or gives them signals to work. the heart is what keeps them alive and if the heart takes any kind of negative damage the would not take care of everything it's supposed to.  If the heart starts to fail it will effect the blood suply to all your body parts and blood is what carries the oxygen throughout your body and without getting the proper blood or oxygen supply to those certain body parts will have an effect like you couldn't keep warm or cool off, fight infections, or get rid of our own waste products. Without enough blood, we'd weaken and die.

Explanation: That's my answer

The body part that can be picked in the given model is heart. Any injury can affect the bloop supply throughout the body.

What is circulatory system?

Blood vessels in the circulatory system transport blood away from and towards the heart. Arteries transport blood away from the heart, while veins transport blood back to the heart.

The heart in the body is analogous to a car's engine in that it pumps oxygen carrying blood cells into all organs, and without these oxygen carrying blood cells, the entire body will stop functioning.

An injury or disease to the heart will have a negative impact on the rate of blood distribution to all parts of the body, which will have a negative impact on the overall wellbeing of the body and will also have a negative impact on the process being modeled.

Thus, the heart is the body part shown here.

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What increases the frequency of adaptive mutations? = hitch-hiking.

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Answer:

true

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Answers

A vector has horizontal and vertical components.

The value of [tex]\mathbf{\theta }[/tex] is 45 degrees, when the horizontal and vertical components are equal

Let the magnitude of the vector be H.

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[tex]\mathbf{v = Hcos(\theta)}[/tex] --- vertical

[tex]\mathbf{h = Hsin(\theta)}[/tex]

Equate both expressions

[tex]\mathbf{h = v}[/tex]

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So, we have:

[tex]\mathbf{\theta + \theta = 90^o}[/tex]

[tex]\mathbf{2\theta = 90^o}[/tex]

Divide both sides by 2

[tex]\mathbf{\theta = 45^o}[/tex]

Hence, the value of [tex]\mathbf{\theta }[/tex] is 45 degrees

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Electromagnetic Spectrum

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State courts

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Answer:

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Answer:

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Explanation:

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Answers

Answer:

9/32

Explanation:

Hopefully it’s relevant to the question.

White shape and black shapes

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The Core is in the interior of the earth can be classified as primordial and radiogenic heat

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Hmmm yes yes I agree indeed
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