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JvGaming2001
11.03.2022 •
Chemistry
9. What is a light-year? A a unit of mass B a unit of distance C unit of volume Please help ! it is timed Please help me I'll give 20 points points please
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Ответ:
B
Explanation:
took the test hope it help :)
Ответ:
3000 m/s
Explanation:
We can use the equation velocity of a wave equals wavelength times frequency. Therefore, v = wavelength*f = (10 m)(300 Hz) = 3000 m/s
I hope this helps! :)