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 takes to 12 seconds to complete these journeys and the length of the string is 5m, the speed of the pulse through the string is :
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Answer:
Distance travelled = 5 x 6 = 30 m
Total time taken = 12s
Speed of pulse = Distance / time
= 30 /12
= 2.5 m/s
Explanation:
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