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Ilia_Sergeevich [38]
3 years ago
15

Which of these is an example of mechanical energy being converted to sound energy?

Physics
2 answers:
tatiyna3 years ago
6 0
Playing a guitar I believe
MakcuM [25]3 years ago
6 0

Answer:

Playing Guitar

Explanation:

When yout pluck or strum that mechanical energy then the action of plucked and strumming will be converted to sound energy hence will produce the soothing music heard when a guitar is played

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Explanation:

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Quick! how did Daniel hale Williams contribute to science?
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A bat can detect small objects such as an insect whose size is approximately equal to the wavelength of the sound the bat makes.
zaharov [31]

Given that,

Frequency emitted by the bat, f = 47.6 kHz

The speed off sound in air, v = 413 m/s

We need to find the wavelength detected by the bat. The speed of a wave is given by formula as follows :

v=f\lambda\\\\\lambda=\dfrac{v}{f}\\\\\lambda=\dfrac{413}{47.6\times 10^3}\\\\\lambda=0.00867\ m

or

\lambda=8.67\ mm

So, the bat can detect small objects such as an insect whose size is approximately equal to the wavelength of the sound the bat makes i.e. 8.67 mm.

3 0
3 years ago
A small spinning asteroid is in a circular orbit around a star, much like the earth's motion around our sun. The asteroid has a
Fudgin [204]

Answer:

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If you remember the formula for potential energy,
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  <em>Potential energy = (mass) x (<u>acceleration of gravity</u>) x (height) .</em>

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-- You said that the height is the same both times.
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So naturally, from the formula, you'd expect the Potential Energy to be less
on the Moon.

4 0
3 years ago
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