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Dmitriy789 [7]
3 years ago
14

What causes the downward movement movements of air?

Physics
1 answer:
Sphinxa [80]3 years ago
5 0
The cold air sinks as it is heavier 
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An athlete produced 840 watts of power in 0.6 seconds. How much work did this individual perform during the exercise
Veseljchak [2.6K]

An athlete produced 840 watts of power in 0.6 seconds. And will produce 504 joule of work did this individual perform during the exercise.

<u>Solution:</u>

we know that power is the work done completed in a given interval of time.

Power = \frac{work}{time}

also, Work = Power × Time

Work = 840 × 0.6 = 504 joule

What is Power?

  • The quantity of work that can be accomplished in a certain amount of time is measured by power.
  • Power is expressed in joules per second (J/s) this is because work is denoted by the symbol J and time by the symbol s.
  • This is the watt, which is also known as the power unit in SI (W). One joule of labor per second is equal to one watt.
  • The number of watts that a device uses is indicated on labels for lightbulbs and other small appliances like microwaves.
  • A force must be applied in order for work to be completed, and there must also be motion or displacement in the force's direction.
  • The amount of force multiplied by the distance moved in the force's direction is known as the work done by a force acting on an item. Work has no direction and only magnitude. Work is a scalar quantity as a result.

Know more about work power numerical brainly.com/question/181496

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2 years ago
What kind of tide happens during a last quarter moon? Spring tide Neap tide Extreme tide Low tide
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Blue light has a shorter wavelength than yellow light. Which color has the higher frequency. O Blue O Yellow O They have the sam
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Answer:

Blue light has the higher frequency.

Explanation:

Remember that the relation between wavelength and frequency for any electromagnetic wave in the vacuum is

f = \frac{c}{\lambda}

where c is the speed of light in the vacuum. As you can see, the relation between frequency and wavelength is inversely proportional. The higher is the wavelength, the lower is the frequency.

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