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Iteru [2.4K]
3 years ago
14

How does the frequency of infrared electromagnetic waves compare with the frequency of radio and microwaves?

Physics
1 answer:
iVinArrow [24]3 years ago
8 0

Answer:

Answer is B.

Because the wavelength of infrared is shorter than microwave radiation

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A 4000kg truck has a head-on inelastic collision with a 2500kg truck.
iogann1982 [59]

Answer:it could be B

Explanation:

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What is the process that creates wind.
Drupady [299]

Answer:

Winds are caused by differences in air pressure. Unequal heating of Earth’s surface creates areas of different pressure. Cooler areas have higher air pressure. Warmer areas have lower pressure. This causes air to move from high pressure to low pressure. This movement is the wind we feel.

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riadik2000 [5.3K]
C. 70 inches is the answer
6 0
3 years ago
An electron that is moving to the right experiences a magnetic field of 2.5 T directed upward. If the force on the electron is 2
Zinaida [17]

Answer:

5.99×10⁶ m/s

Explanation:

We look for the speed of the electron by applying,

F = Bqv.................. Equation 1

Where F = Force on the electron, B = magnetic field, q = charge of an electron, v = speed of the electron.

make v the subject of the equation

v = F/Bq.............. Equation 2

Given: F = 2.4×10⁻¹² N, B = 2.5 T.

Constant: q = 1.602×10⁻¹⁹ C

Substitute into equation 2

v = 2.4×10⁻¹² /(2.5× 1.602×10⁻¹⁹ )

v = 5.99×10⁶ m/s

5 0
3 years ago
What is the current in the circuit at the instant the capacitor begins to charge (the instant the switch is first closed)?
daser333 [38]

Complete  Question

The  complete question is shown on the first uploaded image

Answer:

The current is  I  =  4.2 \ A

Explanation:

From the question we are told that

    The  voltage of battery is  V  = 25 V

     The  capacitance of capacitor is  C =  15 \mu F

      The resistance of the resistor is  R =  6 \Omega

Generally the current at the instant the capacitor starts charging is  

             I  =  \frac{V}{R}

substituting values

           I  =  \frac{25}{6}

         I  =  4.2 \ A

8 0
3 years ago
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