A sound signal from a ship floating on water, hits a rock at the bottom of the sea and comes back to the ship after 4 s. Calculate the distance fromthe surface of water to the rock. The speed of sound in water is estimatedto be 1500 m/s.

A sound signal from a ship floating on water, hits a rock at the botto

1.	A sound signal from a ship floating on water, hits a rock at the bottom of the sea and comes back to the ship after 4 s. Calculate the distance fromthe surface of water to the rock. The speed of sound in water is estimatedto be 1500 m/s.
Answer» A) SOUND wavesb)echoc)Distance=Speed×time=1500×4=6000ms

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A sound signal from a ship floating on water, hits a rock at the bottom of the sea and comes back to the ship after 4 s. Calculate the distance fromthe surface of water to the rock. The speed of sound in water is estimatedto be 1500 m/s.​

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A sound signal from a ship floating on water, hits a rock at the bottom of the sea and comes back to the ship after 4 s. Calculate the distance fromthe surface of water to the rock. The speed of sound in water is estimatedto be 1500 m/s.