4. A rigid body is made of two identical thin rods, each with length 2a and mass M, fastened together in the form of a '+ sign' as given in figure. The body is rotating with an angular velocity w about an axis perpendicular to the plane of the '+ sign' and passing through a point P as shown in figure. a) Find the rotational inertia (the moment of inertia about P. (ICM = mL² for the rod) 12 b) Find the rotational kinetic energy of the body. 2a 2a P 1992 Jw.

4. A rigid body is made of two identical thin rods, each with length 2a and mass M, fastened together in the form of a '+ sign' as given in figure. The body is rotating with an angular velocity w about an axis perpendicular to the plane of the '+ sign' and passing through a point P as shown in figure. a) Find the rotational inertia (the moment of inertia about P. (ICM = mL² for the rod) 12 b) Find the rotational kinetic energy of the body. 2a 2a P 1992 Jw.

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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