3 years ago

What’s the transmission of heat requiring the movement of a liquid or a gas is?

Physics

2 answers:

-BARSIC- [3]3 years ago

6 0

Convection is the answer i
think

Scilla [17]3 years ago

6 0

Happy Halloween!!!!!

The correct answer iis the pf test it is
Convection
Hope this helepd and have a great day!

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The pan flute is a musical instrument consisting of a number of closed-end tubes of different lengths. When the musician blows o

IgorLugansk [536]

Answer:

f = 276.6 Hz

Explanation:

This musical instrument can be approximated to a tube system where each tube has one end open and the other closed.

In the closed part there is a node and in the open part a belly or antinode. Therefore the wavelength is

L = λ/ 4

speed is related to wavelength and frequency

v = λ f

λ = v / f

we substitute

L = v / 4f

f = v / 4L

the speed of sound at 20ºC is

v = 343 m / s

let's calculate

f = $\frac{343 }{4 \ 0.31}$

f = 276.6 Hz

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ella [17]

C : I did this already

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ANEK [815]

Answer:

29856.521 N/m

Explanation:

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A shell is fired with 500km/h on a target half kilometer away.In what time in which shell will hit the target.

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