A mirror faces a cliff located some distance away. Mounted on the cliff is a sec

Question

A mirror faces a cliff located some distance away. Mounted on the cliff is a second mirror, directly opposite the first mirror a distance 984.14 away and facing toward it. A gun is fired very close to the first mirror. The temperature on the day is 20.7 oC. How many times does the muzzle flash of the gun travel the round trip distance between the mirrors before the echo of the the gunshot is heard? A mirror faces a cliff located some distance away. Mounted on the cliff is a second mirror, directly opposite the first mirror a distance 984.14 away and facing toward it. A gun is fired very close to the first mirror. The temperature on the day is 20.7 oC. How many times does the muzzle flash of the gun travel the round trip distance between the mirrors before the echo of the the gunshot is heard?

Explanation / Answer

distance =984.14m time to hear echo=1968.28/330 =5.96secs distance travelled by flsh in 5.96secs =5.96 *3*10^8 no of time it hits the mirror on the gun=5.96 *3*10^8/1968.28 =908,407.34444times this means it makes 908407round trips

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