Question

A pulse of sound is produced at the bottom of a boat. the sound travels through water and is reflected from the seabed. the sound reaches the boat again after 1.2 seconds. the speed of the sound is 1500 m/s

Answer 1

Answer:

900

Explanation:

0.6×1500

0.6 is half of 1.2 which is used because sound travels from ship to seabed and come backs to the ship which is twice the time taken for sound to travel to the ship.

it multiplied by 1500 gives the answer

Answer 2

Answer:

The answer is 900

Explanation:

Since the time for reaching from seabed to boat isnt given we halve the time which is

= 1.2/2 = 0.6

so 0.6 is our new time

Now we normally multiply it to find distance

Formula to find distance

= Speed x time

= 0.6 x 1500

= 900

Therefore 900 is the answer

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