Physics, 13.07.2019 09:20 blackopsty23
Amirror faces a cliff located some distance away. mounted on the cliff is a second mirror, directly opposite the first mirror and facing toward it. a gun is fired very close to the first mirror. the speed of sound is 336 m/s. how many times does the flash of the gunshot travel the round-trip distance between the mirrors before the echo of the gunshot is heard?
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Amirror faces a cliff located some distance away. mounted on the cliff is a second mirror, directly...
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