Asked by Nolan

A 32.0-kg penguin on frictionless ice holds onto the end of a horizontal spring with spring constant 250 N/m and oscillates back and forth. What is its period of oscillation?
Answered by drwls
You must have come across the formula
periodn = 2 pi sqrt(M/k)

Use it.
Answered by Nolan
Actually I didn't know that formula haha. Thanks!
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