All categories

2 years ago

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?

Chemistry

1 answer:

Inessa05 [86]2 years ago

5 0

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

#SPJ4

You might be interested in

Hey! If someone could help me out I would really appreciate it even if it was just one answer. I'm really stuck on 3. Its second

Sphinxa [80]

Answer:

I would go for number 5 . It sounds more logical to me.

7 0

2 years ago

WILL GIVE POINTS AND BRAINLIEST<br> Question:<br> Number of H− ions in 5.22 g of SrH2

Sophie [7]

Answer:

moles H = 2 x 0.0649=0.130

ions = 0.130 x 6.02 x 10^23=7.81 x 10^22

Explanation:

4 0

3 years ago

At room temperature (208C) and pressure, the density of air is 1.189 g/L. An object will float in air if its density is less tha

Ugo [173]

Total density of filled ball with nitrogen gas: $\frac{0.12G+0.6524g}{0.560L} = 1.3792g/L$

The relationship between mass and volume can be easily determined using density; for example, the mass of a body is equal to its volume multiplied by the density (M = Vd), whereas the volume is equal to the mass divided by the density (V = M/d). The ball filled with nitrogen will not float in the air because total density of filled ball is greater than the density of an air. Density of the evacuated ball D = 0.214 g/L

Density of nitrogen gas = $d_4=1.165g/L$

Mass of the nitrogen gas : $1.165g/L \times 0.560L = 0.6524g$

Learn more about Mass and Density here:

brainly.com/question/10821730

#SPJ4

4 0

2 years ago

What does the chemical formula CaCl, show about the compound it represents? It is made up of one element. It is made up of two e

zavuch27 [327]

Answer:

It is made up of two elements.

Explanation:

To answer the question given above,

We shall determine the number of elements present in CaCl₂. This can be obtained as follow:

CaCl₂ contains calcium (Ca) and chlorine gas (Cl₂).

This implies that CaCl₂ contains two different elements.

Now, considering the options given in the question above, CaCl₂ is made up of two elements.

5 0

3 years ago

Different kinds of wood have different densities. The density of american white oak wood is generally 0.77 g/cm3. If Jim grabs a

mixas84 [53]

Answer:

m= 29.645 g

Explanation:

Density:

Density is equal to the mass of substance divided by its volume.

Units:

SI unit of density is Kg/m3.

Other units are given below,

g/cm3, g/mL , kg/L

Formula:

D=m/v

D= density

m=mass

V=volume

Symbol:

The symbol used for density is called rho. It is represented by ρ. However letter D can also be used to represent the density.

Given data:

density of wood = 0.77 g/cm³

volume= 38.5 cm³

mass= ?

Solution:

d= m/v

m= d × v

m= 0.77 g/cm³× 38.5 cm³

m= 29.645 g

7 0

3 years ago