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Chemistry, 15.08.2020 15:01, ericahale3971
A mountaineer shouts for help Half a second later (0.5 she hears the echo How far away is the rock face which is reflecting her voice (take the speed of sound to be 330 m\s) help please
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Answers: 2
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Chemistry, 22.06.2019 10:30, Wookas8355
Great amounts of electromagnetic energy from our sun and other bodies in space travel through space. which is a logical conclusion about these electromagnetic waves? their energy must be very their frequency must be very low these waves can travel without a medium they only travel through a vacuum of space
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A mountaineer shouts for help Half a second later (0.5 she hears the echo How far away is the rock f...
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