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Sav [38]
2 years ago
5

A photon with a frequency of 5.48 × 10^14 hertz is emitted when an electron in a

Physics
1 answer:
mezya [45]2 years ago
4 0
     Using the Planck's Equation, comes:

E=hf \\ E=6.63*10^{-34}*5.48*10^{14}*J \\ \boxed {E=36.3324*10^{-20}*J}

If you notice any mistake in my english, please let me know, because i am not native.
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How does geomagnetism help scientist understand the motion of earth’s plates?
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Answer:

As the "plates" on each side of ridges in the seafloor are pulled away, lava comes up from the middle, hardens and "records" the current magnetic field.

Explanation:

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3 years ago
What is the temperature 32 degrees Fahrenheit in degrees Celsius? A. 0°C B. 20°C C. 10°C D. –10°C
omeli [17]
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3 years ago
In 2 minutes, a ski lift raises four skiers at a constant speed to a height of 123 m. The average mass of each skier is 71 kg. W
serious [3.7K]

Answer:

The average power  provided by the tension in the cable pulling the lift is = 714 W

Explanation:

Given data

Mass = 71 kg

Change in height = 123 m

When the lift moves in upward direction then in that case kinetic energy is constant & only potential energy changes.

Change in potential energy Δ PE = m g ( h_f - h _ i )

Δ PE = 71 × 9.81 × 123

Δ PE = 85670.73 J

Time = 2 min = 120 sec

So average power is given by

P_{avg} = \frac{Change \ in \ potential \ energy}{Time}

P_{avg} = \frac{85670.73}{120}

P_{avg} = 714 \ W

Therefore the average power  provided by the tension in the cable pulling the lift is = 714 W

7 0
2 years ago
What are the properties of a clay pot
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There you go!
3 0
3 years ago
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