What does the roller coaster gain as it goes down the hill?

Mathematics

2 answers:

never [62]3 years ago

8 0

Answer:

kinetic

Step-by-step explanation:

it is using the energy

andre [41]3 years ago

8 0

Answer: B. kinetic energy

Step-by-step explanation: i think this because kinetic energy is the spped of something for example a ball rolling down a hill is kinetic energy

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Describe the three base materials in soil in terms of porosity and permeability.

777dan777 [17]

Porosity:

Porosity is an intrinsic property of every material.
It refers to the amount of empty space within a given material.
In a soil or rock the porosity (empty space) exists between the grains of minerals.
The amount of water a material can hold is directly related to the porosity since water will try and fill the empty spaces in a material.
We measure porosity by the percentage of empty space that exists within a particular porous media.

Permeability:

Permeability is another intrinsic property of all materials and is closely related to porosity.
Permeability refers to how connected pore spaces are to one another.
If the material has high permeability than pore spaces are connected to one another allowing water to flow from one to another, however, if there is low permeability then the pore spaces are isolated and water is trapped within them.

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3 years ago

Find the area of the figure. answer choices: 31 ft², 80 ft², 40 ft², 60 ft²

IrinaVladis [17]

Answer:

60 ft²

Step-by-step explanation:

You can divide the figure into 2 parts.

First, solve for the rectangle: Area of a rectangle = b*h = 4ft x 10ft = 40ft²

Then, solve for the triangle:

Height = 10ft - 5ft = 5ft

Base = 12ft - 4ft = 8ft

Area of a triangle = (b*h)/2 = (5ft x 8ft)/2 = 20ft²

Just add them together: 20ft² + 40ft² = 60ft²

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2 years ago

Angela lives in the United States. She went on a trip, flying first to London, then to Paris, then back to the United States. As

kobusy [5.1K]

$\bf \begin{array}{ccll} dollar&po und\\
\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\
1.67& 1\\
500& p
\end{array}\implies \cfrac{1.67}{500}=\cfrac{1}{p}\implies p=\cfrac{500\cdot 1}{1.67}$