Physics, 12.03.2020 02:41 amandathompson1

Assume (unrealistically) that a TV station acts as a point source broadcasting isotropically at 2.4 MW. What is the intensity of the transmitted signal reaching a nearby star that is 22 ly away. (An alien civilization at that distance might be able to watch X Files.) A light-year (ly) is the distance light travels in one year.

Answers: 1

Show answers

Another question on Physics

Physics, 22.06.2019 00:30

Which type of wave can travel without a medium

Answers: 1

Answer

Physics, 22.06.2019 03:40

Science and technology are interdependent. advances in one lead to advances in the other. give an example of this phenomenon.

Answers: 1

Answer

Physics, 22.06.2019 14:00

If element x has 99 protons how many electrons does it have

Answers: 1

Answer

Physics, 22.06.2019 15:30

An alien spaceship is 500 m above the ground and moving at a constant velocity of 150 m/s upwards. how high above the ground is the ship after 5 seconds?

Answers: 1

Answer

You know the right answer?

Assume (unrealistically) that a TV station acts as a point source broadcasting isotropically at 2.4...

Questions

Mathematics, 24.11.2020 01:30

Diego read a medical research study about the connection between type 2 diabetes and walnut consumption. The study looked at dietary and disease patte...

Spanish, 24.11.2020 01:30

Tú? Ser Complete the sentences with the correct form of ser. 1. Juan, ¿de dónde tu?...

Mathematics, 24.11.2020 01:30

Helpplehelpplehelppleh ...

Business, 24.11.2020 01:30

Match each type of lending institution to its description. payday lender consumer finance company credit union bank typically...

Spanish, 24.11.2020 01:30

Luis Fernando, Ana y Julio viven en la Calle Real. Fernando vive a 100 metros de Ang. Julio a 250 metros de Fernando y Luis, justo en el medio de Ana...

Mathematics, 24.11.2020 01:30

Marlo, who is standing near a tree during the day, measures her shadow to be 19 inches long. A nearby tree's shadow is 66.5 inches long. If Marlo is...

Business, 24.11.2020 01:30

Anyone selling a motorcycle or has someone they know selling one if so i am gladly to buy it...

Social Studies, 24.11.2020 01:30

(ILL GIVE BRAINLIEST!! PLS HELP ASAP :( ) Read the passage. Major cities all over the world are changing color. The tall gray buildings t...

English, 24.11.2020 01:30

"Say you're there when I feel helpless If that's true, why don't you help me? It's my fault, I know I'm selfish Stand alone, my soul is j...

Chemistry, 24.11.2020 01:30

Describe how the forces around an object can cause movement. What is net force?...

Mathematics, 24.11.2020 01:30

Here is a sketch of y=x^2+bx+c the curve intersects the x axis at (2,0)and point p the y axis at (0,-14)

Mathematics, 24.11.2020 01:30

PLEASE PLEASE HELP. 45 POINTS AND BRAINLIEST. you are saving money to attend college when you graduate high school. you have $3,000 to invest in your...

Mathematics, 24.11.2020 01:30

What is 256 as a shorter number?...

History, 24.11.2020 01:30

Which of the following would have been most likely to agree with the sentiments expressed in the excerpt? A Native Americans west of the Appala...

Mathematics, 24.11.2020 01:30

WILL GIVE LOTS OF EXTRA POINTS PLEASE HELP ME ASAP! MORE THAN ONE PERSON CAN ANSWER I WILL GIVE BOTH OF YOU EXTRA POINTS!!

Mathematics, 24.11.2020 01:30

1. Shawn takes 2 minutes to cycle 800 m. (a) Find his average speed. (b) If he continues to cycle for another 5 minutes at the same...

Chemistry, 24.11.2020 01:30

Which best describes the role of a negative feedback loop? 0 The output is reduced so the body can maintain homeostasis.0 The output builds so...

English, 24.11.2020 01:30

Which of the following processes does not occur in both plant and animal cells? Group of answer choices Photosynthesis Cellul...

Chemistry, 24.11.2020 01:30

If you perfom 30 joules of work lifting a 20-N box from the floor to a shelf how high is the shelf...

Mathematics, 24.11.2020 01:30

Need help ASAP. Please ...

More questions: Physics Another questions