You want to create a spotlight that will shine a bright beam of light with all of the light rays parallel to each other. you have a large concave spherical mirror and a small lightbulb. where should you place the lightbulb?

Avehicle has an oil leak that is causing the entire oil pan to be wet, but inspection reveals no exact source after cleaning off the oil residue. technician a says to install a fluorescent dye in the crankcase and operate the engine, then re-inspect for leaks with a special light (black light). technician b says the oil leak may be coming from a source at the top of the engine, such as a valve cover gasket. who is correct?

Which of the following is the phase that results when the moon is on the opposite side of the earth from the sun? a. quarter moon b. crescent moon c. new moon d. full moon

Which of the following forces require physical contact? tension air resistance friction magnetic force applied force