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A child with poor table manners is sliding his 240 g dinner plate back and forth in Simple Harmonic Motion with an amplitude of 0.120 m on a horizontal surface. At a point a distance 7.00×10−2 m away from equilibrium, the speed of the plate is 0.290 m/s.
a) What is the period?
b) What is the displacement when the speed is 0.165 m/s?
c)In the center of the dinner plate is a carrot slice of mass 10.1 g. If the carrot slice is just on the verge of slipping at the end point of the path, what is the coefficient of static friction between the carrot slice and the plate? (free fall acceleration=9.

Answer :

meerkat18
In your problem the following are the answers:
A. the period is 3s
B. the displacement when the speed is 0.165 m/s is 0.0203
C. the coefficient of static is 9.72
I hope this helps and feel free to ask for more 

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