1) A hammer is struck hard on a Railway line. How far will the sound travel in 2.5 sec ! Assume that the velocity of sound in iron is 5100 m/sec.
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Answer:
Answer is 12750
Explanation:
We need to find the distance traveled by the sound wave in 2.5 seconds. Speed of a wave is equal to the distance covered by wave per unit time. So, the distance covered by the sound wave is 12750 meters. Hence, this is the required solution.
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ans:12750
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