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nqnz234

Mathematics

Description

1) An antenna is connected to a car battery. Will the antenna emit electromagnetic radiation? Why or why not? Explain.

2) A light-year is a measure of distance (not time). How many meters does light travel in a year?

3) How long does it take a laser beam to travel to the Moon and back? Take the Earth Moon distance to 384,000 km.


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Anonymous
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