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Nastasia [14]
3 years ago
15

_____ is the preceived frequency of a sound wave.​

Physics
1 answer:
Lina20 [59]3 years ago
7 0
I guess the answer is pitch
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A car with a mass of 600 kg is traveling at a velocity of 10 m/s. How much kinetic energy does it have?
vaieri [72.5K]

Answer:

30000 J = 30 kJ

Explanation:

Kinetic energy is the energy possessed by a moving object solely due to its motion.

You can get the K.E. of an object using the equation,

K.E. = \frac{1}{2} mv^{2}

So you get,

K.E. = \frac{1}{2} 600×10^{2}

      = 30000 J = 30 kJ

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3 years ago
The magnetic field of an electromagnetic wave in a vacuum is Bz =(2.4μT)sin((1.05×107)x−ωt), where x is in m and t is in s. You
tatiyna

Answer:

Explanation:

Given

B_z=(2.4\mu T)\sin (1.05\times 10^7x-\omega t)

Em wave is in the form of

B=B_0\sin (kx-\omega t)

where \omega =frequency\ of\ oscillation

k=wave\ constant

B_0=Maximum\ value\ of\ Magnetic\ Field

Wave constant for EM wave k is

k=1.05\times 10^7 m^{-1}

Wavelength of wave \lambda =\frac{2\pi }{k}

\lambda =\frac{2\pi }{1.05\times 10^7}

\lambda =5.98\times 10^{-7} m

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3 years ago
I NEED HELP ASAP WILL MARK BRAINLIEST:
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Answer:

It is b for sure.

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because they are examining urine now that's pure science.

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Higher levels of co2 are more likely to be found where on the earth? question 15 options: uniformly around the globe as winds bl
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I NEED THIS ASAP!!<br> Which formula defines the unit for electrical power?
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C option
Power = voltage x current
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3 years ago
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