A door stopper spring is held at an angle from its equilibrium position and then released, and the angular velocity of the plastic end is given by the function: w (t) = 3e-0.24 cos(7t) 1. Find its angular acceleration function a (t). 2. Find its angular displacement function 0 (t), assuming 0 (0) = 0. 3. If the rotational motion is confined to the xy plane, what is the direction of the acceleration at t=0?
A door stopper spring is held at an angle from its equilibrium position and then released, and the angular velocity of the plastic end is given by the function: w (t) = 3e-0.24 cos(7t) 1. Find its angular acceleration function a (t). 2. Find its angular displacement function 0 (t), assuming 0 (0) = 0. 3. If the rotational motion is confined to the xy plane, what is the direction of the acceleration at t=0?
Classical Dynamics of Particles and Systems
5th Edition
ISBN:9780534408961
Author:Stephen T. Thornton, Jerry B. Marion
Publisher:Stephen T. Thornton, Jerry B. Marion
Chapter11: Dynamics Of Rigid Bodies
Section: Chapter Questions
Problem 11.7P
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