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LenKa [72]
3 years ago
9

Which actions are examples of conserving resources? Check all that apply.

Physics
2 answers:
MrRissso [65]3 years ago
8 0

Answer: 1, 2, 3

Explanation: On Edgenuity!!!!!!!!!

uysha [10]3 years ago
6 0

Answer:

1st, 2nd, and 4th

Explanation:

1st conserves gasoline/petroleum

2nd conserves electricity

4th conserves paper

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Answer: de?

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3 years ago
Which statement describes the speed of electromagnetic waves?
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Answer:

Their speed in a vacuum is a constant value.

Explanation:

Electromagnetic waves consits of oscillations of electric field and magnetic field. The oscillations of these fields occur in a direction perpendicular to the direction of propagation of the waves, so they are transverse wave. Electromagnetic waves, contrary to mechanical waves, do not need a medium to propagate, so they can also travel through a vacuum. In a vacuum, their speed is constant and has always the same value, the speed of light:

c=3\cdot 10^8 m/s

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A scientist examines a large pot of boiling water and a small cup of boiling water. The scientist determines that the large pot
saul85 [17]

Answer:

d. The large pot of water and small cup of water have the same temperature, but the large pot of water has higher thermal energy.

Explanation:

Temperature is a measure of the average kinetic energy of individual molecules. While internal energy refers to the total kinetic energy of the molecules within the object. Since in this case we have the same amount of average kinetic energy, then the large pot of water and small cup of water have the same temperature. While the large pot of water has higher thermal energy, since has more water particles than the small cup.

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3 years ago
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A reconnaissance plane flies 545 km away from
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Answer:

681.6/ms

Explanation:

A reconnaissance plane flies 545 km away from  its base at 568 m/s. then flies back to its base  at 852 m/s.

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Answer in its of m/s

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2*568*852/(568+852)= 681.6/ms

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Which has the most kinetic energy?
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I think A golf ball shot out of a small cannon

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