Question

Your friend rides, in turn, the rims of three merry-go-rounds 1,2 and 3 while holding a sound source that emits sound isotropically at a certain frequency. You stand far from go round. The frequency you hear for each of your friend's three rides varies as the merry-go-round rotates. The variation in frequency for the three rides is given by three curves. Rank of curves according to: each merry 3 2 Column-1 P) linear speed of a sound source Q) the angular speeds merry-go-rounds R) the radius rounds S) of the r of the merry-go the wavelength received by you ​

Answer 1

Explanation:

A friend rides, in turn, the rims of three fast merry-go-rounds while holding a sound source that emits isotropically at a certain frequency. You stand far from each merry-go-round. The frequency you hear for each of your friend's three rides varies as the merry-go-round rotates. The variations in frequency for the three rides are given by the three curves in Fig. 17.5. Rank the curves according to (a) the linear speed of the sound source, (b) the angular speeds of the merry-go-rounds, and (c) the radii r of the merry-go-rounds, greatest first.

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