Problem

What is the equation for the position of a mass moving on the end of a spring which is stretched 8.8cm from equilibrium and then released from rest, and whose period is 0.66s? What will be the object’s position after 1.4s?

A

.88cos(19.04t); .79 m

B

.088cos(19.04t); .08 m

C

.88cos(9.52t); .86 m

D

.088cos(9.52t); .064 m

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