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4. A buoy bobs up and down in the lake. The distance between the highest and lowest points is 2 m. takes 4s for the buoy to m
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Answer #1

Period =-=π

Distance between highest and lowest point = 2 m

So, amplitude will be equal to 1 of the wave, since the maxima will be +1 and minima will be -1, hence the distance between them will be equal to 2

The buoy is on his way down at that time

sin(-r)

Note - Post any doubts/queries in comments section.

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