The position of a mass oscillating on a spring

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Reference no: EM13677986

The position of a mass oscillating on a spring is given by x=(4.5cm)cos[2?t/(0.63s)].

Part A

What is the period of this motion?

Express your answer using two important figures.

Part B

What is the first time the mass is at the position x=0?

Express your answer using two significant figures.

Reference no: EM13677986

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