Assume (unrealistically) that a TV station acts as a point source broadcasting isotropically at 2.5 MW. What is the intensity of the transmitted signal reaching a nearby star that is 44 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. Number Units

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**Problem Statement:**

Assume (unrealistically) that a TV station acts as a point source broadcasting isotropically at 2.5 MW. What is the intensity of the transmitted signal reaching a nearby star that is 44 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.

**Input Fields:**

- **Number:** [Text box for numeric input]

- **Units:** [Drop-down menu for units selection]

**Additional Instructions:**

Use the correct number of significant digits; the tolerance is +/-1 in the 2nd significant digit.
Transcribed Image Text:**Problem Statement:** Assume (unrealistically) that a TV station acts as a point source broadcasting isotropically at 2.5 MW. What is the intensity of the transmitted signal reaching a nearby star that is 44 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. **Input Fields:** - **Number:** [Text box for numeric input] - **Units:** [Drop-down menu for units selection] **Additional Instructions:** Use the correct number of significant digits; the tolerance is +/-1 in the 2nd significant digit.
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