In the figure, a 7.42 g bullet is fıred into a 0.531 kg block attached to the end of a 0.914 m nonuniform rod of mass 0.909 kg. The block- rod-bullet system then rotates in the plane of the figure, about a fixed axis at A. The rotational inertia of the rod alone about A is 0.0305 kg-m?. Treat the block as a particle. (a) What then is the rotational inertia of the block-rod-bullet system about point A? (b) If the angular speed of the system about A just after impact is 3.51 rad/s, what is the bullet's speed just before impact?

Principles of Physics: A Calculus-Based Text
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ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter10: Rotational Motion
Section: Chapter Questions
Problem 6P: Why is the following situation impossible? Starting from rest, a disk rotates around a fixed axis...
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In the figure, a 7.42 g bullet is fıred into a 0.531 kg block attached to the end of a 0.914 m nonuniform rod of mass 0.909 kg. The block-
rod-bullet system then rotates in the plane of the figure, about a fixed axis at A. The rotational inertia of the rod alone about A is
0.0305 kg-m?. Treat the block as a particle. (a) What then is the rotational inertia of the block-rod-bullet system about point A? (b) If
the angular speed of the system about A just after impact is 3.51 rad/s, what is the bullet's speed just before impact?
Transcribed Image Text:In the figure, a 7.42 g bullet is fıred into a 0.531 kg block attached to the end of a 0.914 m nonuniform rod of mass 0.909 kg. The block- rod-bullet system then rotates in the plane of the figure, about a fixed axis at A. The rotational inertia of the rod alone about A is 0.0305 kg-m?. Treat the block as a particle. (a) What then is the rotational inertia of the block-rod-bullet system about point A? (b) If the angular speed of the system about A just after impact is 3.51 rad/s, what is the bullet's speed just before impact?
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