3 years ago

The components of a vector are:

1 answer:

4 0

C : perpendicular

The component of a vector are perpendicular

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Microwave s to heat up food in my microwave

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Acceleration is the ratio of a change in velocity to the time over which the change happend

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4 years ago

fomenos

Answer:

$N=2.18\cdot 10^{20}photons/s$

Explanation:

The energy of a photon is: $E=h\nu=h\frac{c}{\lambda}$ when h is the Planck constant.

$h=6.63\cdot 10^{-34}Js$

$c=3.8\cdot 10^{8}m/s$

Then, we calculate the energy of a photon with a wavelength equal to 550 nm.

$E= 4.58\cdot 10^{-19}J$

To find the number of photons we can use this equation:

$N=\frac{P}{E}=\frac{100}{4.58\cdot 10^{-19}}=2.18\cdot 10^{20} photons/s$

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3 years ago

PolarNik [594]

Answer:

Explanation:

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madam [21]

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