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Leya [2.2K]
3 years ago
13

A 10,000-watt radio station transmits at 535 kHz.

Physics
2 answers:
salantis [7]3 years ago
8 0

If you are given a 10,000-watt radio station transmits at 535 kHz, then you just divide one by 535,000 Hz which is equal to 1.87 x 10^-6 seconds. Multiply this value by 10,000W and you get 0.019 Joules.

schepotkina [342]3 years ago
6 0

Answer:

Energy is 10,000 Joules.

Explanation:

It is given that, a 10,000 watt radio station transmits at 535 kHz. We have to write the number of joules transmitted per second.

We know that number of joules transmitted per second is called the power. Its SI unit is watts. Mathematically, the power of radio station is given by :

P=\dfrac{W}{t}

Where

W is the work done by radio station

t is the time taken.

According to relation :

1\ watt==\dfrac{1\ Joule}{1\ seconds}

So, 10,000\ watt==\dfrac{10,000\ Joule}{1\ seconds}

Hence, energy per second is 10,000 Joules.

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A cup of tea at room temperature of 24°C is heated until it has twice the internal energy. Calculate the final temperature of th
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The final temperature of the tea cup is 100°C.

<h3>What is internal energy?</h3>

The Internal energy is the energy of a substance due to to the constant random motion of its particles.

The symbol for internal energy of a substance is U and it is measured in Joules.

ΔU = q + W

  • q is the heat, q = mcΔT
  • W is the mechanical work.

In conclusion,  the final temperature of the tea cup at room temperature of 24 °C which is heated until it has twice the internal energy is 100°C.

Learn more about internal energy at: brainly.com/question/24028630

#SPJ1

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