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Elza [17]
3 years ago
13

Does Sun burn? If yes, it burns without Oxygen?

Physics
2 answers:
lyudmila [28]3 years ago
5 0
The sun burns, but it does not nuclear burn. Since their is not oxygen, it burns <span>hydrogen to helium, and uses catalysts to speed up the reaction. </span>
Natali [406]3 years ago
5 0
- - The sun burns, giving it us heat and its heat alone. Without the sun burning the world would turn cold. And it does not burn with oxygen.

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Find the frequency of a wave produced by a generator that emits 100 pulses in 2.0 s.
kobusy [5.1K]

The frequency of the wave is 50 Hz

Explanation:

The frequency of the wave is defined as the number of cycles per second of the wave:

f=\frac{N}{t}

where

N is the number of cycles completed in a time t.

Frequency is measured in Hertz (Hz).

In this problems, the wave has

N = 100 pulses

in

t = 2.0 s

Therefore, its frequency is

f=\frac{100}{2.0}=50 Hz

Learn more about waves and frequency here:

brainly.com/question/5354733

brainly.com/question/9077368

#LearnwithBrainly

7 0
3 years ago
If a certain mass of mercury has a volume of 0.002m3 at a temperature of 20°C, what will be the volume at 50°C,
USPshnik [31]

Set this up as a proportion.

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solve for x

x = .005 m^3

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3 years ago
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