pegflans314
16.01.2020 •
Physics
What do echolocation and ultrasounds have in common?
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Ответ:
Animals such as bats and dolphins send out ultrasound waves and use their echoes to identify the locations of objects they cannot see. This is called echolocation. Sonar stands for sound navigation and ranging. It is used to locate underwater objects such as submarines.
Explanation:
Ответ:
W= 1250 J
Explanation: