History, 01.12.2021 22:50 ged32802p4gf0r
The image shows a ship using sonar to detect underwater objects.
What two pieces of information must you have in order to calculate the
distance to an underwater object?
A. The wavelength of the sound waves
B. How long the sound waves take to reach and return from the
object
C. The speed of the sound waves in air
D. The speed the sound waves travel in water
Answers: 3
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Which of these was the main reason for the berlin conference? ending african civil wars spreading the christian faith economic benefits for europe new markets for european goods
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An addition to jews , a specific group that the nazis systematically killed during the holocaust was
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The image shows a ship using sonar to detect underwater objects.
What two pieces of information mu...
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