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nadya68 [22]
3 years ago
10

_____ was responsible for the contribution that light is emitted and absorbed in bundles that are dependent on the frequency of

a light wave. albert einstein max planck thomas young geoffrey taylor
Physics
1 answer:
Anit [1.1K]3 years ago
7 0
MAX PLANCK  <span>was responsible for the contribution that light is emitted and absorbed in bundles that are dependent on the frequency of a light wave.

In 1900, Max Planck proposed that </span>proposed that light<span> and other </span>electromagnetic waves<span> were emitted in discrete packets of </span>energy. These packets are called "quanta". <span> This discovery became the stepping stone of the quantum theory.

This discovery was used by Albert Einstein as basis for his realization that light was made up of photons. Thus, giving credence to "photoelectric effect".

</span>
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Suppose that the average speed (vrms) of carbon dioxide molecules (molar mass 44.0 g/mol) in a flame is found to be 2.67 105 m/s
34kurt

Answer:

T = 1.26 \times 10^8 K

Explanation:

As we know that rms speed of ideal gas is given by the formula

v_{rms} = \sqrt{\frac{3RT}{M}}

here we know that

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7 0
3 years ago
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3 years ago
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A bicycle tire is spinning counterclockwise at 2.70 rad/s. During a time period Δt = 1.50 s, the tire is stopped and spun in the
Andru [333]

Answer:

Δω = -5.4 rad/s

αav = -3.6 rad/s²

Explanation:

<u>Given</u>:

           Initial angular velocity = ωi = 2.70 rad/s

           Final angular velocity = ωf = -2.70 rad/s (negative sign is  

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           Change in time period = Δt = 1.50 s

<u>Required</u>:

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<u>Solution</u>:

          <u>Angular velocity (Δω):</u>

               Δω = ωf - ωi

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          <u> Average angular acceleration (αav):</u>

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               αav = -5.4/1.50

              αav = -3.6 rad/s²

Since, the angular velocity is decreasing from 2.70 rad/s (in counter clockwise direction) to rest and then to -2.70 rad/s (in clockwise direction) so, the change in angular velocity is negative.

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2 years ago
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Here's link to the answer:

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