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3 years ago

5

Water towers store water above the level of consumers for times of heavy use, eliminating the need for high-speed pumps. How hig

h above a user must the water level be to create a gauge pressure of 3.00 x 105 Pa?

1 answer:

barxatty [35]3 years ago

4 0

Answer:30.61m

Explanation: None sorry i took the test and this is what i got..We may be taking different test idk...

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The ___ energy in a mechanical system is determined by adding the potential and kinetic enters together

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Answer:

A, total.

<em>The </em><em>total</em><em> energy in a mechanical system is determined by adding the potential and kinetic enters together.</em>

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3 years ago

Fellow student of mathematical bent tells you that the wave function of a traveling wave on a thin rope is y(x,t)= 2.20 mm cos[(

bezimeni [28]

Answer

given,

y(x,t)= 2.20 mm cos[( 7.02 rad/m )x+( 743 rad/s )t]

length of the rope = 1.33 m

mass of the rope = 3.31 g

comparing the given equation from the general wave equation

y(x,t)= A cos[k x+ω t]

A is amplitude

now on comparing

a) Amplitude = 2.20 mm

b) frequency =

$f = \dfrac{\omega}{2\pi}$

$f = \dfrac{743}{2\pi}$

f = 118.25 Hz

c) wavelength

$k= \dfrac{2\pi}{\lambda}$

$\lambda= \dfrac{2\pi}{k}$

$\lambda= \dfrac{2\pi}{7.02}$

$\lambda= 0.895\ m$

d) speed

$v = \dfrac{\omega}{k}$

$v = \dfrac{743}{7.02}$

v = 105.84 m/s

e) direction of the motion will be in negative x-direction

f) tension

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$T = \dfrac{(105.84)^2\times 3.31 \times 10^{-3}}{1.33}$

T = 27.87 N

g) Power transmitted by the wave

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$P = \dfrac{1}{2}\times 0.00331\times 105.84\times 743^2\ 0.0022^2$

P = 0.438 W

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Alisiya [41]

ONE CAN perform this by doing an ideal experiment
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Why does the spectroscopic parallax method only work for main sequence stars?.

Brums [2.3K]

Answer:

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Explanation:

Low-mass stars have much longer lifetimes than high-mass stars.

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1 year ago

What is the Kinetic Energy of a 120 kg object that is moving with a velocity of 15 m/s

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3 years ago

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