2 years ago

The temperature in a room is 56 degrees Celsius, what would the velocity of sound wave be as temperature?

Physics

1 answer:

Minchanka [31]2 years ago

5 0

Answer:

364.6 Hz

Explanation:

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Cells are the basic building block that makes up all living things. Cells are microscopic. What does this mean?

Archy [21]

Answer:

microscopic means that they are very very tiny, you cannot see them with the human eye, you have to use a tool like a microscope

Explanation:

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3 years ago

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15. Missy Diwater, the former platform diver or the Ringling Brother's Circus had a speed of 25m/s when she hit the

timurjin [86]

K.E.= 1/2 x MV^2 = 1/2 x 40(kg) x (25x25) =12500J

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2 years ago

As you finish listening to your favorite compact disc (CD), the CD in the player slows down to a stop. Assume that the CD spins

Colt1911 [192]

Answer:

A. $w=8.3rev/s$

$a_v=3.21rev/s^2$

B. rev=10.79rev

Explanation:

500rpm

$500rpm*\frac{1minute}{60seg}=8.33\frac{rev}{s}$

the time is about 2.60s knowing the acceleration is:

$a_v=\frac{w}{t}$

so:

$w=8.3rev/s$

$a_v=\frac{8.33 rev/s}{2.60s}=3.21rev/s^2$

The CD stop so the final velocity is vf=0 so:

Total revolutions:

$8.3rev/s*2.60s=21.58rev$

$21.58rev/2=10.79 rev$

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3 years ago

What type of muscular assessment is the bench press

solmaris [256]

upper body muscular strength

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1 year ago

A grating that has 3900 slits per cm produces a third- order fringe at a 28.0° angle. What wavelength of light is being used? Ex

Zolol [24]

Explanation:

Given that,

Number of slits per cm, $N=3900\ lines/cm=390000\lines/m$

The third fringe is obtained at an angle of, $\theta=28$

We need to find the wavelength of light used. The grating equation is given by :

$d\ sin\theta=n\lambda$

$d=\dfrac{1}{N}=\dfrac{1}{390000}$

$d=2.56\times 10^{-6}\ m$

$\lambda=\dfrac{d\ sin\theta}{n}$ , n = 3

$\lambda=\dfrac{2.56\times 10^{-6}\times \ sin(28)}{3}$

$\lambda=4.006\times 10^{-7}\ m$

$\lambda=400\ nm$

So, the wavelength of the light is 400 nm. Hence, this is the required solution.

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3 years ago