true/false John is listening to a horn. He knows the frequency of the horn is 30

Question

true/false

John is listening to a horn. He knows the frequency of the horn is 300 Hz when both he and the horn are at rest. If he hears a pitch of 270 Hz, there are clearly several possibilities. For each of the following statements, indicate whether it is correct or incorrect. Both can be moving in the same direction at the same speed John is moving away from the horn at rest. Both can be moving and have the same speed. The distance between John and the horn is decreasing with time Both can be moving, in opposite directions. Both can be moving and have different speeds

Explanation / Answer

Since the frequency he heard is less than the actual frequency, the source or john must be moving away either both or one of them.

As per stated above:

1)False

2)True

3)False

4)False

5)True

6)True

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