Question

A whale says to its friend 75 km away how long will it be before the friend can hear it (the speed of sound in water is 1500 m/sec)

Answer 1

d=75km=75000m

S=1500m/s

t=d/S

=75000/1500

=30s

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Answer 2

Answer:

30sec

Explanation:

this is the answer saw the solution above my answer