A ball is dropped into a pond from a height of 44.1m. The splash of sound is heard 3.13 second after the ball is dropped. Determine the velocity of sound in air.
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Answer:
velocity of sound is nearly equal to 339m/s.
Explanation:
The time required to reach the pond from the top is
S=ut+½at²
44.1=0.t+½ x 9.8 x t²
44.1= 4.9 x t²
t=3sec
then the time of heard the splash of sound is 3.13s
the time of heard the sound from the pond is(3.13-3)= 0.13s
velocity of sound =44.1/0.13= 339m/s
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