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Luden [163]
3 years ago
5

Which example describes a nonrenewable resource? In some areas in California, people can use heat found deep in the Earth to hea

t their homes. Refineries process oil, found in the Earth, and turn it into gasoline to be used by cars. The town has decided to install solar panels on all city buildings. The hilltop lodge has a windmill that generates enough electricity to power the entire house.
Physics
2 answers:
sveta [45]3 years ago
5 0

The correct answer is B. Refineries process oil, found in the Earth, and turn it into gasoline to be used by cars.

Explanation

A non-renewable resource is a term used to refer to minerals and resources extracted from the Earth that cannot be renewed after their use, for example, fossil fuels such as oil or gas from the subsoil of the Earth, because after their use, they cannot be renewed unlike resources such as wind or sun that do not end. So, the correct answer is B. Refineries process oi, found in the Earth and turn it into gasoline to be used by cars.

Anna007 [38]3 years ago
4 0
The second one: Refineries process oil found in the Earth, and turn it into gasoline to be used by cars. 

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I appreciate any help I get on this, thank you in advanced :)
Reika [66]
The picture isn’t clear so I can’t read the dimensions of the box but I can try my best to guide u through the question.

For part a u need to find the volume of the box as that will equal the volume of sand that can be filled inside.
For this u multiply the height, width and length of the box.

For part b the mass of sand alone will be
=Mass of box + sand - Mass of empty box
=216 - 40
=176 grams

For part c the density of sand can be calculated by the formula
Density= Mass/Volume
So the mass (176g) / volume from part a

For part d u need to know that something will float if it has a lower density than what it is floating in. If the final density of sand that was found in part c is less than the density of gold (19.3 g/cm^3) it will float. Otherwise it will sink.

Hope this helped!
3 0
3 years ago
NGSS Physics
vovangra [49]
Answer: 3.5 seconds

EXPLANATION:

Using the formula:
v = u + at
And taking the upwards direction as positive, we have the following information:

u = 35 m/s
a = -10m/s^2 (this is acceleration due to gravity)

At the top of its path, the apple will have a velocity of 0 m/s, therefore:

v = 0m/s

Once you substitute everything into the formula, you get:

0 = 35 + (-10)t

Therefore, t = 35/10 = 3.5 seconds
6 0
3 years ago
A 180 lb crate is on the ground, and a strong rope is attached. You need to move it across the basement floor, which has a coeff
jekas [21]

Answer:

F = 505.13 N

Yes it is better to pull the rope rather than push it

Explanation:

Let the force is applied at an angle of 60 degree

so we will have net vertical force on the crate is given as

F_n + Fsin60 = mg

here we know

m = 180 lb

m = 81.65 kg

F_n = 81.65(9.81) - Fsin60

F_n = 801 - 0.866 F

now friction force on the crate is given as

F_x = \mu F_n

Fcos60 = 0.7(801 - 0.866 F)

0.5F + 0.61F = 560.7

F = 505.13 N

Yes it is better to pull the rope rather than push it

6 0
3 years ago
Can an object have increasing speed while its acceleration is decreasing?
alexdok [17]
The best option is C. This is due to friction.
6 0
3 years ago
A slingshot shoots a marble. It travels at an average speed of 15 m/s for 12 seconds before hitting it's target. How far does it
salantis [7]
Multiply m/s by 12 seconds to get meters by itself. 15(12)=180 m

6 0
3 years ago
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