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Nataly_w [17]
2 years ago
7

What is the formula to calculate wave speed?

Physics
1 answer:
Kisachek [45]2 years ago
4 0

Answer: WaveSpeed = Wavelength x Frequency

Explanation: Wave speed is the distance a wave travels in a given amount of time, such as the number of meters it travels per second. Wave speed is related to wavelength and wave frequency by the equation. This equation can be used to calculate wave speed when wavelength and frequency are known.

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What kind of light would be the best to use to look inside a cold dark cloud and see the warm stars forming inside?
lys-0071 [83]
<h2>Answer: Infrared light</h2>

A dark nebula is a cloud of dust and cold gas, which does not emit visible light and hides the stars it contains.

These types of nebulae are composed mainly of the hydrogen they obtain from nearby stars, which is their fuel.

It is using infrared light that we can "observe" and analyze in detail what happens in the inner parts of these nebulae.

7 0
2 years ago
A disc is thrown through the air for 1.5 min with a power output of 12.5 W. How much work is done when throwing the disc?
klasskru [66]

Answer:

work = 1125 [J]

Explanation:

To solve this problem we must remember the definition of power, which is defined as the relationship between work and time. The power can be calculated using the following equation:

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time = 1.5 [min] = 90 [s]

work = 12.5*90

work = 1125 [J]

7 0
3 years ago
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Rashid [163]
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2 years ago
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Explanation:

7 0
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