What is the difference in their intensity levels

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Reference no: EM13310569

A) Two sound waves have intensities of 0.100Wm^2 and 5.00W/^2. What is the difference in their intensity levels?

B) The observed frequency of a train whistle is 475Hz as it approaches a stationary observer and is 410Hz as it recedes. Find:

the speed of the train.

the frequency heard by a passenger on the train.

Reference no: EM13310569

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