Physics, 12.11.2020 22:30 hunterallan569
Radar works by sending out electromagnetic energy at a particular wavelength and receiving a reflected signal from distant objects, similar to a sound echo. Many modern military aircraft have what is known as “stealth technology” that allows the aircraft to be invisible to enemy radar. What statement best explains how this is possible? * 1 point A. The coating on the aircraft is highly reflective. B. The coating on the aircraft absorbs incoming light energy. C. The aircraft is extremely fast, allowing it to outrun the enemy radar. D. The aircraft has a very rounded shape that refracts incoming light energy.
Answers: 2
Physics, 21.06.2019 13:10
Atown is considering building a biodiesel power plant that would burn biomass to generate electricity. which of the following correctly lists an advantage and a disadvantage of this project?
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If we relied solely on the nonrenewable resources found in the u.s., which one would we run out of first at current usage levels? a. natural gas b. oil c. uranium d. coal
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Physics, 22.06.2019 17:30
Atruck driver is attempting to deliver some furniture. first, he travels 8 km east, and then he turns around and travels 3 km west. finally, he turns again and travels 13 km to his destination. what is the drivers distance
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Radar works by sending out electromagnetic energy at a particular wavelength and receiving a reflect...
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