3 years ago

Convection requires______to transfer heat.

1 answer:

mylen [45]3 years ago

6 0

The movement of fluid

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Flura [38]

I’m gonna need more information about this

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2 years ago

stiv31 [10]

Answer:

4939200 m

Explanation:

v = Velocity of sound in air = 343 m/s (general value)

For the echo to reach Rip van Winkle it must cover the distance to the mountain twice. So, time taken for the sound traveling to the mountain once

$t=\dfrac{8}{2}=4\ hr$

Distance is given by

$s=vt\\\Rightarrow s=343\times 4\times 60\times 60\\\Rightarrow s=4939200\ m=4939.2\ km$

The distance to the mountain is 4939200 m

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3 years ago

muminat

Electron as a free particle

Explanation:

Free electrons,the electrons which are not attached to the nucleus of a atom and free to move

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3 years ago

vampirchik [111]

Element is the answer

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3 years ago

ankoles [38]

Answer:

Option (1) f = 1

Explanation:

Formula for Frequency (F) = 1/t where t = Time in seconds.

F = 1/1

F = 1 hz ( hz or hertz is the unit for Frequency ).

6 0

2 years ago