17. A 248 cm bar with mass 692 g rotates with an angular speed of 138 rpm, as shown in the figure. Calculate the magnitude of the bar's angular momentum. L a. 5.13 kg m2/s b. 0.816 kg m2/s c. 48.9 kg m2/s 3.

17. A 248 cm bar with mass 692 g rotates with an angular speed of 138 rpm, as shown in the figure. Calculate the magnitude of the bar's angular momentum. L a. 5.13 kg m2/s b. 0.816 kg m2/s c. 48.9 kg m2/s 3.

College Physics

10th Edition

ISBN:9781285737027

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter7: Rotational Motion And The Law Of Gravity

Section: Chapter Questions

Problem 6WUE: A grindstone increases in angular speed uniformly from 4.00 rad/s to 12.0 rad/s in 4.00 s. (a)...

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Concept explainers

Torque

Torque is the rotational equivalent of linear force in physics and mechanics. Based on the course of study, it is also known as the moment of force, rotational force, or turning effect.

Question

17. A 248 cm bar with mass 692 g rotates with an angular speed of 138 rpm, as shown in the figure.
Calculate the magnitude of the bar's angular momentum.
L
a. 5.13 kg-m?/s
b. 0.816 kg-m²/s
c. 48.9 kg m2/s
с.
d. 20.5 kg-m²/s
e. 5130 kg-m²/s

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