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chubhunter [2.5K]
3 years ago
11

Picture has the question

Chemistry
2 answers:
xenn [34]3 years ago
8 0

Answer:I believe it is 5

Explanation:

sattari [20]3 years ago
7 0
The answer is 5 for the question
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A cylindrical grain has a base radius of 5m. the surface area is 1099m^2. What is the height of the bin to the nearest metre?
Inessa05 [86]

The height of the bin is 29.9m.

The quantity of space enclosing a three-dimensional shape's exterior is its surface area.

The total surface area of the cylinder formula is simply the sum of the base surface area and the lateral surface area.

The radius of the cylinder, r = 5m

Surface area = 1099 m²

∴ A = 2πrh + 2πr²

  h = \frac{A- 2\pi r^2}{2\pi r}

  h = \frac{1099- 2 (3.141) 5^2}{2 (3.141) 5}

  h = \frac{1099- 157.05}{31.41}

  h = \frac{941.95}{31.41}

  h = 29.9 m

Therefore, the height of the bin is 29.9m.

Learn more about surface area here:

brainly.com/question/76387

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5 0
1 year ago
What is the value of work done on an object when a 50–newton force moves it 15 meters in the same direction as the force?
victus00 [196]

Answer:

work done = 750 J

Explanation:

Given data:

Force on object = 50 N

Distance covered = 15 m

Work done = ?

Solution:

W = F. d

W = work done

F = force

d = distance

Now we will put the values in formula.

W = 50 N × 15 m

W = 750 N. m = 750 J

7 0
3 years ago
Determine the number of moles of carbon dioxide gas, water, and sodium chloride formed by the reaction of 42.0 grams of sodium b
brilliants [131]

Answer: .45 moles of CO2, H20,and NaCl

Explanation:

5 0
3 years ago
What should you do if you spill a chemical on your hand?
dimulka [17.4K]

Answer:

You should rinse your head thoroughly ASAP, don't try to blow on the chemical or anything. Its going burn, you have to let your head cool off.

Explanation:

why rinse off your hand? you're getting the fluid away fast, so I can't infect your skin that much.

5 0
2 years ago
Which statement is true about AC?
AysviL [449]

According to the research, the correct option is A. The electrons move back and forth is the statement that is true about AC.

<h3>What is AC?</h3>

It is the flow of electric charges through a conductor is called electric current, if said flow of electric current varies in direction from time to time, we speak of alternating current.

Subatomic particles such as protons and electrons have an electrical charge, a physical property that is manifested by the repulsive and attractive forces that exist between them in AC the electrical charge moves back and forth.

Therefore, we can conclude that according to the research, the correct option is A. The electrons move back and forth is the statement that is true about AC.

Learn more about AC here: brainly.com/question/11695848

#SPJ1

3 0
1 year ago
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