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.

What is the role of the ocular lens?

Name three different units of energy used to measure heat and describe what type of situations each is usually used.

Imagine you work as a consultant, and your daily job involves listening to the constructive criticism of others. as part of your job, you must listen to opposing viewpoints to make important decisions. in this activity, you are a consulting dam engineer. you must make a decision about four different dams; should they be repaired, taken down, or left alone? you will listen to contrasting opinions about what should be done with the dams before you make the final decision. as the consulting dam engineer, what do you decide to do with this dam? explain your reasoning. by making your decision, did you support the opinions of the mayor and/or the dam safety official? why or why not? (site 1)