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aalyn [17]
3 years ago
13

A low-pressure sodium vapor lamp whose wavelength is 5.89 x 10−7 m passes through double-slits that are 2.0 x 10−4 m apart and p

roduces an interference pattern whose fringes are 3.2 x 10−3 m apart on the screen. What is the distance to the screen?
3 meters
2.7 meters
1.6 meters
1.1 meters
Physics
1 answer:
Evgen [1.6K]3 years ago
3 0

Answer:

1.1 meter is the right answer

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The speed is 0.956 m / s.

<u>Explanation</u>:

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                   K.E = 1/2 \times m \times v^{2}

where K.E represents the kinetic energy,

           m represents the mass,

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                  K.E = 1/2 \times m \times v^{2}

    1.10 \times 10^42 = 1/2 \times 3.26 \times 10^31 \times v^{2}

                     v^{2} = (1.10 \times 10^42 \times 2) / (3.26 \times 10^31)

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6 0
3 years ago
Which law represents the thermodynamic statement of the conservation of energy of a system
Tresset [83]
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3 0
3 years ago
what is the transfer of heat energy by direct contact. A . convection b. radiation c. thermal or heat and d. conduction ​
katrin2010 [14]

Answer:

d. conduction ​

Explanation:

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In the process of heat conduction, thermal energy is usually transferred from fast moving particles to slow moving particles during the collision of these particles. Also, thermal energy is typically transferred between objects that has different degrees of temperature and materials (particles) that are directly in contact with each other but differ in their ability to accept or give up electrons.

Any material or object that allow the conduction (transfer) of electric charge or thermal energy is generally referred to as a conductor. Conductors include metal, steel, aluminum, copper, frying pan, pot, spoon etc.

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6 0
3 years ago
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VikaD [51]

Answer:

2.03715

Explanation:

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It keeps the heat inside of the building

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