Question

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A ship sends a burst of ultrasound towards the seabed from its sonar apparatus and recieves an echo after 4 seconds. It then repeats this after some time,but this time ,over a place where a shipwreck is present on the seabed. The echo takes 3.75 s to reach them. How tall is the shipwreck ? (The speed of sound in water = 1450 m/s )
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Answer 1

Answer:

refer the above attachment

hope this helps you

Answer 2

Answer:

yeh dekho bro naira apne frnd ki use krti h abb......