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Bogdan [553]
3 years ago
13

Potential energy is based on an objects

Chemistry
2 answers:
erma4kov [3.2K]3 years ago
3 0

This is some information about the potential energy.

Explanation:

Please follow me...

natita [175]3 years ago
3 0
Stopping of motions. I
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How did music change during medieval, renaissance and baroque eras​
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usage of trills and vibrato

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Which equation is used to help form the combined gas law?<br> eP, V, P, V, т.
alexdok [17]

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The combined gas law is formulated from PV/T =K.

Explanation:

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3 years ago
How many photons are produced in a laser pulse of 0.862 J at 691 nm?
Inga [223]
To calculate how many photons are in a certain amount of energy (joules) we need to know how much energy is in one photon.
Start by using two equations:
Energy of a photon = Frequency * Planck's constant (6.626 * 10^(-34) J-s)
Speed of light (constant 3 * 10^8 m/s) = Frequency * Wavelength
Which means:
frequency = Speed of Light / Wavelength
So energy of a photon = (Speed of light * Planck's constant)/(Wavelength)
You may have seen this equation as E = hc/<span>λ</span>
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So we can plug in all of our knowns:
E = (6.626 * 10^(-34) J-s) * (3.00 * 10^8 m/s) / (691 * 10^-9 m) = 
2.88 * 10^(-19) joules per photon
Now we have joules per photon, and the total number of joules (0.862 joules)
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4 0
3 years ago
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