2 years ago

In most food chains all of the energy originally comes from

Physics

1 answer:

ch4aika [34]2 years ago

8 0

All of the original energy comes from the sun

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What does compressed mean?

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flattened by pressure; squeezed or pressed together.

Explanation:

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These graphs show measurements of the density of air as different sound waves pass a single point.

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It is the option with the greatest amplitude.

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The table below lists the speed that sound travels through four different materials.One of these materials is a gas, two are liq

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In order to find the solid, you would want the object in which sound travels the fastest

In this case, since in object C, the speed of sound is the fastest, it is the most likely to be a solid

So object C is most likely to be a solid

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11 months ago

Find the west component of 45 m 19º S of W

BaLLatris [955]

Answer:

The west component of the given vector is - 42.548 meters.

Explanation:

We need to translate the sentence into a vectoral expression in rectangular form, which is defined as:

$(x, y) = (r_{x}, r_{y})$

Where:

$r_{x}$ - Horizontal component of vector distance, measured in meters.

$r_{y}$ - Vertical component of vector distance, measured in meters.

Let suppose that east and north have positive signs, then we get the following expression:

$(x, y) = (-45\cdot \cos 19^{\circ}, -45\cdot \sin 19^{\circ})\,[m]$

$(x, y) = (-42.548,-14.651)\,[m]$

The west component corresponds to the first component of the ordered pair. That is to say:

$x = -42.548\,m$

The west component of the given vector is - 42.548 meters.

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A complex sound’s quality depends on the mix of harmonics or overtones added to the ______________ frequency

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Fundamental frequency is the "base frequency" upon which the sound is built.

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