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3 years ago

Give me 4 ways waves can transfer energy?

Physics

1 answer:

Pani-rosa [81]3 years ago

3 0

Answer:

Explanation:

Wave’ is a common term for a number of different ways in which energy is transferred:

In electromagnetic waves, energy is transferred through vibrations of electric and magnetic fields.

In sound waves, energy is transferred through vibration of air particles or particles of a solid through which the sound travels.

In water waves, energy is transferred through the vibration of the water particles

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Convert 700kg into grams<br>

Verdich [7]

Answer:

700,000g

Explanation:

1kg = 1000 Grams (or any kg x 1000)

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2 years ago

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An object is made of glass and has the shape of a cube 0.13 m on a side, according to an observer at rest relative to it. Howeve

Vlad1618 [11]

Answer:

$v=0.9833\ c$

Explanation:

The density changes means that the length in the direction of the motion is changed.

Therefore,

$\text{Density} = \frac{m}{lwh}$

Given :

Side, b = h = 0.13 m

Mass, m = 3.3 kg

Density = 8100 $kg/m^3$

So,

$8100=\frac{3.3}{l \times 0.13 \times 0.13}$

$l=\frac{3.3}{8100 \times 0.13 \times 0.13}$

l = 0.024 m

Then for relativistic length contraction,

$l= l' \sqrt{1-\frac{v^2}{c^2}}$

$0.024= 0.13 \sqrt{1-\frac{v^2}{c^2}}$

$0.184= \sqrt{1-\frac{v^2}{c^2}}$

$0.033= 1-\frac{v^2}{c^2}}$

$\frac{v^2}{c^2}= 0.967$

$\frac{v}{c}=0.9833$

$v=0.9833\ c$

Therefore, the speed of the observer relative to the cube is 0.9833 c (in the units of c).

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3 years ago

Need help 14 points

valentinak56 [21]

Biological adaptation

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3 years ago

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Two wires A and B of the same material, having radii in the ratio 1 : 2 and carry currents in the ratio 4 : 1. The ratio of drif

Brums [2.3K]

uhhhh idk cheif...

thats a big oof right there.

ged is always an option

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3 years ago

What are visible colors of light has the longest wavelength?

sasho [114]

Answer:

Red has the longest wavelength among all the visible colors of light.

Explanation:

Visible light is the only electromagnetic radiations which can be seen by human eye. When white visible light passes through a prism it breaks down into 7 distinctive colors of rainbow.

These are red, orange, yellow, green blue, indigo and violet.

Red has the longest wavelength of around 700 nano meters with violet has the shortest wavelength of 380 nano meters.

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3 years ago