Your friend tells you “I no the moon does not rotate because we always see the same side.” do you agree or disagree with your fr
1 answer:
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for a solid cylinder:
for a hollow cylinder:
I will look at the case of a hollow cylinder:
That is as far as i get.
Answer:
(C) 4 beats per second.
Explanation:
As we know that the no of beats can be calculated as.
No. of beats is equal to difference in the tuning forks frequencies.
So,
.
Substitute the values of frequencies of 2 tuning forks in the above equation.
Therefore the number of beats per second will be hear by the observer is 4 beats per second.