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Dafna1 [17]
2 years ago
12

The energy goes from _____ to the _____ above it.

Physics
1 answer:
Artist 52 [7]2 years ago
4 0

Answer:

The energy goes from <u>the ground state</u> to <u>the excited states</u> above it.

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If a car is traveling forward at 15 m/s, how fast will it be going in 1.2 seconds if the acceleration is
Law Incorporation [45]

Answer:

3

Explanation:

v = v⁰ (its original speed) + a (negative acceleration) X t² (time)

v = 15 - 10 x 1.2 = 15 - 12 = 3 (it's slowing down)

3 0
1 year ago
When light passes through an ___ it is separated into its component colors
zhuklara [117]
<span>When light passes through a prism it is separated into its component colors</span>
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2 years ago
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When a cold alcohol-in-glass thermometer is first placed in a hot tub of water, the alcohol initially descends a bit and then ri
Dahasolnce [82]

Answer:

Wen we place a cold alcohol in glass in a hot tub of water then the glass will be warmed first so it will expand a little due to which the level of alcohal decreases. After some time when thermal equilibrium is achevied then the alcohol will expand more then glass as the alcohol has the greater coeficient of expansion then glass so there will be an incerease in the level of alcohol which will indicate how much high the temperature is.

Explanation:

6 0
3 years ago
One end of a copper rod is in thermal contact with a
Gwar [14]

Answer:

\Delta S_1=-16\ J/K

\Delta S_2=26.66\ J/K

ΔS= 10.66 J/K

Explanation:

Given that

For hot reservoir :

T₁= 500 K

For cold reservoir :

T₂= 300 K

Energy transfer ,Q= 8000 J

The entropy change for the Hot reservoir :

\Delta S_1=-\dfrac{Q}{T_1}

\Delta S_1=-\dfrac{8000}{500}

\Delta S_1=-16\ J/K

The entropy change for the cold  reservoir :

\Delta S_2=\dfrac{Q}{T_2}

\Delta S_2=\dfrac{8000}{300}

\Delta S_2=26.66\ J/K

The entropy for universe

ΔS=ΔS₁+ΔS₂

ΔS= - 16 + 26.66 J/K

ΔS= 10.66 J/K

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2 years ago
How does charging by conduction compare with charging by induction?
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Oppositely charged objects form in induction but not in conduction.
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3 years ago
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