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BlackZzzverrR [31]
3 years ago
5

Which of the following are NATURAL resources? Which of the following are NATURAL resources? Select all that apply.

Physics
2 answers:
scoundrel [369]3 years ago
4 0
Wood, water, Forests. The rest can have harm to the nature.
docker41 [41]3 years ago
3 0

Minerals

Forests

Wood

Water

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Jessica has a mass of 55kg she sleds down a hill that has a slope of 32 degrees. what is the component of her weight that is alo
Arturiano [62]

Answer:

W = 285.62 N

Explanation:

It is given that,

Mass of Jessica is 55 kg

Slope of the hill is 32 degrees

We need to find the component of her weight that is along her direction of motion.

The component along her direction of motion is shown in attached figure. It means

W_y=mg\sin\theta\\\\W_y=55\times 9.8\times \sin(32)\\\\W_y=285.62\ N

So, the component of her weight that is along her direction of motion is 285.62 N.

7 0
3 years ago
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Answer:

I believe it's A.)

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Hope this helps you out : )

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3 years ago
Which of the following changes would make a heat engine less efficient
DIA [1.3K]
A heat engine would be less efficient due to many factors 
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A heat engine could be less efficient because of friction
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8 0
3 years ago
A square is cut out of a copper sheet. Two straight scratches on the surface of the square intersect forming an angle theta. The
GarryVolchara [31]

Answer:

<em>a) increases</em>

Explanation:

Almost all substance or material undergoes expansion due to heating. Heat gives thermal energy to the molecules of a substance increasing their body temperature. The temperature of a substance is the measure of the average kinetic energy of the molecules of that substance. When the temperature of a substance increases, the molecules begin to agitate and try to move far from each other, leading to either a linear, area, or cubic expansion, or all three of them. Metals like copper expand very well on heating, and their expansion is relatively minute, but very observable. When the face of such a copper is scratched to give and angle, heating the copper uniformly will cause the copper to expand, leading to an increase in the angle formed.

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melomori [17]

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2m head start or else you done for

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