two friends living in building 2.01 km apart if sound travel between them in 6 seconds. what is the speed of sound
Answers
Answered by
1
Answer:
4
Explanation:
The frequency when a person is moving towards a source is, f
1
=(
V
V+V
o
)f
The frequency when a person is moving away is, f
2
=(
V
V−V
o
)f
Beats =f
1
−f
2
=(
V
2V
o
)f=
330
2×2
330=4Hz
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