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Gnoma [55]
3 years ago
5

Lake Baikal in Siberia has a maximum depth of 1642 m. What is the water

Physics
1 answer:
Veseljchak [2.6K]3 years ago
3 0

Explanation:

Fluid gauge pressure is:

P = ρgh

where ρ is the fluid density and h is the depth of the fluid.

P = (1000 kg/m³) (9.8 m/s²) (1642 m)

P = 16,091,600 Pa

Rounded to four significant figures, the gauge pressure is 16.09 MPa.

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3 years ago
The energy of an electromagnetic wave changes proportionally to which
ozzi

Answer:

D. Frequency

Explanation:

The energy of an  electromagnetic wave is proportional to frequency, mathematically it is expressed as;

E ∝ f

E = hf

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3 years ago
A reversible Carnot engine has an efficiency of 30% and it operates between a heat source maintained at T 1 , and a refrigerator
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To solve this problem we will apply the concepts related to the thermal efficiency given in an engine of the Carnot cycle. Here we know that efficiency is given under the equation

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Replacing we have that

0.3 = 1- \frac{210}{T_1}

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T_1 = \frac{210}{0.7}

T_1 = 300K

Therefore the temperature of the heat source is 300K

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