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Unformatted text preview: d) When does the velocity 1 st reach its maximum value? 3) a) If a string is 1.25 meters long and it makes 10 revolutions in 25.3 seconds on some planet, calculate the g of that planet. b) A ruler is 1.8 meters long and is being swung about a pivot point 0.2 meters from the top of the ruler. Calculate the period of rotation T. c) A solid spherical ball is 0.3 m in radius and is making simple harmonic motion about a pivot point at its edge. Calculate the period T of this sphere. d) A solid cylindrical disk is hanging from a string whose torsional constant is 8 Nm. The mass of the disk = 2 kg and its radius is 0.2 meters. Calculate the period T of its motion....
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 Spring '08
 Kiledjian
 Mass

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