The equation which describes its oscillatory motion and the natural period of disk.

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Chapter 22.2, Problem 37P

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The equation which describes its oscillatory motion and the natural period of disk.

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The disk shown in (Figure 1) has a weight of 10 lb and rolls without slipping on the horizontal surface as it oscillates about its equilibrium position. Figure k = 100 lb/ft 1 of 1 Part A If the disk is displaced, by rolling it counterclockwise 0.4 rad, determine the equation which describes its oscillatory motion when it is released. Initially, the disk is at rest. Express your answer in terms of the variable t. Enter coefficients using three significant figures. 0(t) = Submit Provide Feedback V7 ΑΣΦ Request Answer ↓↑ vec ? Next >

Your answer is partially correct. The mass of the system shown is released from rest at xo = 7.5 in. when t = 0. Determine the displacement x at t = 0.41 sec if (a) c = 6.8 Ib-sec/ft and (b) c = 10.9 lb-sec/ft. Assume W = 32.2 lb, k = 11.56 lb/ft. W Answers: k (a) If c = 6.8 lb-sec/ft and t = 0.41 sec: X = (b) If c = 10.9 lb-sec/ft and t = 0.41 sec: X = 4.45 i 10.9 in. in.

22-37. The disk has a weight of 30 lb and rolls without slipping on the horizontal surface as it oscillates about its equilibrium position. If the disk is displaced, by rolling it counterclockwise 0.2 rad, determine the equation which describes its oscillatory motion and the natural period when it is released. k = 80 lb/ft 0.5 ft