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san4es73 [151]
3 years ago
8

What do compressions look like in a sound wave?

Physics
2 answers:
Oxana [17]3 years ago
8 0
Thats what a compression looks like in a sound wave

ZanzabumX [31]3 years ago
3 0
They particles of sound are closer in compression 
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What volume (in liters) of gasoline has a total heat of combustion equal to the energy obtained in part (a)? (see section 17.6;
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<h3><u>Answer;</u></h3>

volume = 6.3 × 10^-2 L

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Volume = mass/density

Mass = 0.0565 Kg,

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             = 0.0565 kg/ 900 kg /m³

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A grinding wheel 0.35 m in diameter rotates at 2600 rpm .
ddd [48]

It is calculated that a)The angular velocity of the wheel is 272.13 rad/s,

b)On the edge of the grinding wheel, the linear speed is 47.62 m/s,

and c) On the edge of the grinding wheel, the acceleration is 12958.08 m/s².

Calculation of angular velocity, linear speed & acceleration:

Provided that,

the diameter of the wheel = 0.35 m

So, the radius, r = 0.35/2 = 0.175 m

As 1 revolution = 2π rad

(a)the angular velocity, ω = 2600 rpm = \frac{2600 * 2\pi }{60} rad/s

⇒ω = 272.13 rad/s

So, the angular velocity is 272.13 rad/s.

(b)The linear speed, v = r * ω

⇒v = 0.175 * 272.13

⇒v= 47.62 m/s

(c)The angular acceleration, a=\frac{v^{2} }{r}

a = \frac{(47.62)^{2} }{0.175}

⇒a = 12958.08 m/s²

Learn more about angular velocity here:

brainly.com/question/13649539

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