a strong pulse created at one end of a string is observed to complete 6 up and down journeys along its length before fading out. if the pulse take 12 seconds to complete journeys and the length of the string is 5m. then find the speed of the pulse through the string? explain the answer?
Asked by Ashok Maheshwari | 22nd Feb, 2014, 10:29: PM
Expert Answer:
Distance travelled = 5 x 6 = 30 m
Total time taken = 12s
Speed of pulse = Distance / time
= 30 /12
= 2.5 m/s
Answered by | 25th Feb, 2014, 02:00: PM
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