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3 years ago

12

What is the frequency of a wave ?

1 answer:

Musya8 [376]3 years ago

6 0

Hi there! The frequency of a wave is the amount of cycles (or waves) that occur in the given time. So, the answer is D. Normally, the time given is one second, so the frequency unit is Hertz (Hz) most of the time.

Here are some other definitions:

wavelength- the distance from one crest to crest or trough to trough

I hope this helps you! :))

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Calculate the inner diameter of the steam tube between the boiler and the high pressure turbine if the average velocity of the s

stich3 [128]

Answer:

The inner diameter of the steam tube is 0.1185 m.

Explanation:

$m=\rho \times A\times v=\frac{1}{V}\times A\times v$

m = mass flow rate

$\rho$ = density of the liquid

V=specific volume = $\frac{1}{\rho }$

v = velocity of the liquid

A = area of cross-section

Diameter of the cross-section = d = 2r

Given: m = 18 kg/s, v = 60 m/s,A=?, $V = 0.036793 m^3/kg$

$18 kg/s=\frac{1}{0.036793 m^3/kg}\times A\times 60 m/s$

$A=0.0110379 m^2$

Area of the inner cross section = $\pi r^2=\pi \frac{d^2}{4}$

$\pi \frac{d^2}{4}=0.0110379 m^2$

d = 0.1185 m

The inner diameter of the steam tube is 0.1185 m.

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4 years ago