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iVinArrow [24]
3 years ago
14

The energy of a photon is 9.7eV what is the wavelength

Physics
1 answer:
grandymaker [24]2 years ago
4 0

Answer:

Wavelength is 0.1278193 mm.

Explanation:

E (photon energy) = h (Planck constant) times c (speed of light in vacuum) divided by λ (photon's wavelength)

h and λ are constants so photon energy E changes in inverse relation to wavelength λ.

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Suppose the displacement of an object is related to time according to the expression x=By*2, what are the dimensions of B
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Explanation:

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Calculate the speed of an 8.0x10^4 kg airliner with a kinetic energy of 1.1x10^9 j ...?
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Kinetic energy is the energy possessed by an object on motion. it is expressed as follows:

KE = 0.5mv^2

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Carbon has six protons. which model shows a neutral atom of carbon?
Likurg_2 [28]

Answer:

Hi myself Shrushtee

Explanation:

Neutral carbon-12 (or any carbon atom) has 6 electrons with a total negative charge of 6e- orbiting a nucleus with a total positive charge of 6e+, so that the total net charge is zero. The nucleus is made up of 6 protons, each with a positive charge of e+, and 6 neutrons, each with zero charge.

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7 0
3 years ago
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What is matter explain verifly​
marysya [2.9K]

Answer:

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6 0
3 years ago
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A 60.0-kg skier with an initial speed of 12.0 m/s coasts up a 2.50-mhigh rise and angle is 35 degrees.Find her final speed at th
Shalnov [3]
Wt. = Fg = m*g = 60kg * 9.8N/kg=588 N.= 
<span>Wt. of skier. </span>

<span>Fp=588*sin35 = 337 N.=Force parallel to </span>
<span>incline. </span>
<span>Fv = 588*cos35 = 482 N. = Force perpendicular to incline. </span>

<span>Fk = u*Fv = 0.08 * 482 = 38.5 N. = Force </span>
<span>of kinetic friction. </span>
<span>d =h/sinA = 2.5/sin35 = 4.36 m. </span>

<span>Ek + Ep = Ekmax - Fk*d </span>
<span>Ek = Ekmax-Ep-Fk*d </span>
<span>Ek=0.5*60*12^2-588*2.5-38.5*4.36=2682 J. </span>
<span>Ek = 0.5m*V^2 = 2682 J. </span>
<span>30*V^2 = 2682 </span>
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3 years ago
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