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siniylev [52]
3 years ago
9

What is the energy of a photon whose frequency is 6.0 x 1020 hz?

Physics
1 answer:
garri49 [273]3 years ago
5 0
The energy in a photon is given by the formula, E=hf
Where h(plank constant)=6.63×10∧-34Js and
           f = frequency of the photon

So the energy of the photon is;
E=(6.63×10∧-34) × (6.0×10∧20)
   
  = 3.978×10∧-13J
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What are the two most important traits between a whale and a shark?
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An electron is released from rest in a weak electric field given by vector E = -1.30 10-10 N/C ĵ. After the electron has travel
Murljashka [212]

Answer:

v =  6.45 10⁻³ m / s

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Electric force is

               F = q E

Where q is the charge and E is the electric field

Let's use Newton's second law to find acceleration

                F- W = m a

               a = F / m - g

               a = q / m E  g

Let's calculate

               a = -1.6 10⁻¹⁹ / 9.1 10⁻³¹ (-1.30 10⁻¹⁰) - 9.8

              a = 0.228 10² -9.8

              a=  13.0 m / s²

Now we can use kinematics, knowing that the resting parts electrons

              v² = v₀² + 2 a y

              v =√ (0 + 2 13.0 1.6 10⁻⁶)

            v =  6.45 10⁻³ m / s

4 0
3 years ago
Doe anyone get this ​
8_murik_8 [283]

Answer:

we know a = F/ M

Explanation:

  • 2 m/s²
  • 0.19 m/s²
  • 9.25 m/ s²
  • 0.04 m/s²
  • 100.39 m/s²

4 0
3 years ago
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