Question

“The average speed of sound in air is 330 m/sec. Estimate how long it will take to hear the school bell which is 4000 meters away.​

Answer 1

Answer:

time taken=12.1212121212 seconds.

Step-by-step explanation:

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Answer 2

Answer:

. 48480

Step-by-step explanation:

THE average speed of sound in air is 330 m = 1 sec

Therefore , THE AVERAGE SPEED OF SOUND 4000 MTR = 4000 ÷ 330

=. 12.12

=. 12.12 x 4000

=. 48480

Therefore , it will take 48480 to hear the school bell which is 4000 meters away.