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kodGreya [7K]
3 years ago
7

Which type of mechanical wave is a sound wave?

Physics
2 answers:
IgorLugansk [536]3 years ago
5 0

Answer:

A. Longitudinal wave

Explanation:

Sound is a mechanical wave and in mechanical wave its a longitudinal wave. It is a longitudinal wave because the particles of the wave move along the direction of propagation of wave instead of being perpendicular to it like in transverse wave. It can also be said that the displacement of the medium is in the direction of propagation if the wave.

kykrilka [37]3 years ago
4 0
It’s A.Longitudinal. Tell me if I’m right
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An object that weighs 2.450 N is attached to an ideal massless spring and undergoes simple harmonic oscillations with a period o
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Answer:

Spring constant, k = 24.1 N/m

Explanation:

Given that,

Weight of the object, W = 2.45 N

Time period of oscillation of simple harmonic motion, T = 0.64 s

To find,

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Solution,

In case of simple harmonic motion, the time period of oscillation is given by :

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m is the mass of object

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m=\dfrac{2.45}{9.8}

m = 0.25 kg

k=\dfrac{4\pi^2m}{T^2}

k=\dfrac{4\pi^2\times 0.25}{(0.64)^2}

k = 24.09 N/m

or

k = 24.11 N/m

So, the spring constant of the spring is 24.1 N/m.

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