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PtichkaEL [24]
2 years ago
14

Question 12 A wave has a wavelength of 7.96 m and travels at 30.67 m/s. What is the frequency of the wave?​

Physics
1 answer:
KonstantinChe [14]2 years ago
7 0

Answer:

0.2597hertz

Explanation:

first of all we have to calculate time.

time is given by speed/distance

hence=30.67/7.96

=3.85s

frequency is given by 1/time

=1/3.85

=0.2597hertz

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Explanation:

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Which is the most common use for infrared waves?
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Night vision cameras

Explanation:

One of the most common use of infrared waves is in night vision cameras. Infrared waves are electromagnetic radiations whose wavelengths are longer than those of visible light in the electromagnetic spectrum

They are used:

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4 years ago
The pressure and absolute temperature of an ideal gas are both tripled, the volume is __________. not changed
ankoles [38]

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Explanation:

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This law is a combination of the other four laws: Boyles's, Charles's, Avogadro's, and Guy-Lussac's.

The initial state is represented by P1, V1, T1 and the final by P2, V2, T2.

In this case:

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Replacing on the equation

\frac{P_{1}V_{1}}{T1} =\frac{3P_{1}V_{2}}{3T_{1} }

If we clear from the equation V2

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3 years ago
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Oxana [17]
<h2>Answer:The total momentum before collision is equal to the total momentum after collision.</h2>

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When we consider collisions,take the system as the two bodies that are colliding.

There are no external forces acting on the system.The forces that one body exerts on other come under internal forces.

So,momentum can be conserved in this case.

So,the total momentum before collision is equal to the total momentum after collision.

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