Question

A ship sends ultrasonic waves that return from the sea bed and is detected after 2.80seconds. if the speed of the ultrasound through sea water is 1531 m/s .what is the distance of the seabed from the ship?

Answer 1

answer is 3062.....................

Answer 2

Explanation:

yup now the time to return the sound is 2.8 sec..

that means the sound travel 2 times a distance.

so time travel for 1 time = 2.8/2

= 1.4 sec....

speed is 1531 m/s

speed = d/t

1531 = d/1.4

d = 1531 × 1.4

d = 2,143.4 m

d= 2,143m (approx)

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