What is the period of the rock

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Reference no: EM13333408

1. Your nephew swings a rock around his head on a massless string. If the string is 1.5 m long and is 12?degrees from the vertical, what is the period of the rock?

2. A van drives at a steady speed in a circle. Inside the van, your nephew has hung a rock from a massless string attached to the ceiling of the van. Explain why the string hangs at an angle, and work out a formula for this angle.

Reference no: EM13333408

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