2 years ago

High energy waves have short wave lengths, true or false?

Physics

1 answer:

Anna71 [15]2 years ago

5 0

True, the wavelength dies down due to high frequency and low amptitude.

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Which of the following experiments could be used to determine the inertial mass of a block? A. Place the block on a rough horizo

valentinak56 [21]

Answer:

D, using a spring scale to exert a force on the block. Measure the acceleration of the block and the applied force

Explanation:

For this you would use the net force equation acceleration=net force * mass however you will want to isolate mass so it would be acceleration/ net force to get mass. Then process of elimination comes to play.

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3 years ago

How many total oxygen atoms are in the compound Molybdenum (V) Dichromate?

alekssr [168]

Answer:

$1.2646\times10^{25}\ atoms$

Explanation:

-The chemical formula for Molybdenum (V) Dichromate is $Mo(Cr_2O_7)_3$

-There are 21 moles of oxygen per one mole of Molybdenum (V) Dichromate

-We apply Avogadro's constant to find the number of atoms of oxygen:

$Avogadro's \ Constant=6.022\times 10^{23} \ mol_1\\\\No\ of \ Atoms=Moles\times Avogadro's \ Constant\\\\=21\times 6.022\times 10^{23} \\\\=1.2646\times10^{25}\ atoms$

Hence, there are $1.2646\times10^{25} \ atoms$

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3 years ago

During the process of mountain building, earthquakes sometimes occur along continental-continental convergent boundaries. Which

elena-14-01-66 [18.8K]

Answer:

The correct answer is The plates smash together with no subduction. I just took this on Edge. Glad I could help!

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2 years ago

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To understand the terms in Faraday's law and to be able to identify the magnitude and direction of induced emf. Faraday's law st

wlad13 [49]

Answer: $V_{\epsilon}\propto \frac{d\phi_{B}}{dt}$

Explanation:

A direct proportionality means a linear relationship between two variables and rate of change means an application of derivatives. Hence, the mathematical model is:

$V_{\epsilon}\propto \frac{d\phi_{B}}{dt}$

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3 years ago

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Arisa [49]

Hurricane are killing them

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3 years ago