Question #124286
A submarine sends out a pulse of ultrasound to check how close it is to the sea bed. The reflected waves are detected 0.2 seconds later. Work out the total distance traveled by these detected waves. The speed of ultrasound is 1500m/s .
1
Expert's answer
2020-06-29T14:05:24-0400
2s=vts=0.5vt=0.5(1500)(0.2)=150 m2s=vt\\s=0.5vt=0.5(1500)(0.2)=150\ m


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