A sewing machine needle moves in simple harmonic motion with a frequency of 2.5 Hz
and an amplitude of 1.27 cm.
(a) How long does it take the tip of the needle to move from the highest point to the lowest
point in its travel?
(b) How long does it take the needle tip to travel a total distance of 11.43 cm?

Question

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The Answer of A sewing machine needle moves in simple harmonic motion with a frequency of 2.5 Hz
and an amplitude of 1.27 cm.
(a) How long does it take the tip of the needle to move from the highest point to the lowest
point in its travel?
(b) How long does it take the needle tip to travel a total distance of 11.43 cm?

A Sewing Machine Needle Moves in Simple Harmonic Motion with a Frequency