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Question 26A mirror faces a cliff located some distance away. Mounted on the cliff is a second mirror, directly opposite the first mirror a distance 1,124.94 away and facing toward

it. A gun is fired very close to the first mirror. The temperature on the day is 22.76 °C. 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?

Fig: 1