Junior Class 1 Answered
two guns were fired from the same place at an interval of 13 minutes but a person in a train approaching the place hears the second report 12mins 30 seconds after the first. find the speed of the train supposing that sound travels at 330 m/s
Asked by junaid | 09 Mar, 2017, 05:50: PM
Expert Answer
Answered by | 09 Mar, 2017, 06:16: PM
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