A projectile is fired at an evenly thick rod that can swing frictionlessly about an axis A. The length of the rod is I, the axis of rotation A to the rod is at a distance 1/4 from the upper end of the rod, and the bullet with mass m = 15g is fired horizontally towards the rod at a distance of 31/4 from upper end of the rod. The total mass of the rod is M = 350g and the length I is 1.0 m. See figure below for illustration. 1/4 AC 31/4 M m v The projectile is fired at the bar at a speed v = 100 m/s and hits the bar in one completely inelastic collision (ie, the projectile is stuck in the rod). a) Find the moment of inertia of the rod about rotary shaft A. 3

A projectile is fired at an evenly thick rod that can swing frictionlessly about an axis A. The length of the rod is I, the axis of rotation A to the rod is at a distance 1/4 from the upper end of the rod, and the bullet with mass m = 15g is fired horizontally towards the rod at a distance of 31/4 from upper end of the rod. The total mass of the rod is M = 350g and the length I is 1.0 m. See figure below for illustration. 1/4 AC 31/4 M m v The projectile is fired at the bar at a speed v = 100 m/s and hits the bar in one completely inelastic collision (ie, the projectile is stuck in the rod). a) Find the moment of inertia of the rod about rotary shaft A. 3

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter11: Angular Momentum

Section: Chapter Questions

Problem 89AP: A solid cylinder of mass 2.0 kg and radius 20 cm is rotating counterclockwise around a vertical axis...

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