A Mass Is Oscillating on a Spring with a Period

question 26

Short Answer

A mass is oscillating on a spring with a period of 4.60 s. At t = 0 s the mass has zero speed and is at x = 8.30 cm.
(a) What is the value of t the first time after t = 0 s that that the mass is at x = 4.15 cm?
(b) What is its acceleration at t = 2.50 s?

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