The grooved drums in the two systems shown are identical. In both cases, (a) and (b), the system is at rest at time t 0. Determine the angular velocity of each grooved drum at time t = 4 s. Neglect fric- tion at the pivot 0. Ans. (a) w = 119.0 rad/s, (b) w = 72.0 rad/s m 14 kg, = 225 mm T. = 325 mm, r, = 215 mm me Y10(9.81) N 10 kg

The grooved drums in the two systems shown are identical. In both cases, (a) and (b), the system is at rest at time t 0. Determine the angular velocity of each grooved drum at time t = 4 s. Neglect fric- tion at the pivot 0. Ans. (a) w = 119.0 rad/s, (b) w = 72.0 rad/s m 14 kg, = 225 mm T. = 325 mm, r, = 215 mm me Y10(9.81) N 10 kg

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Question

Q1 The grooved drums in the two systems shown are
identical. In both cases, (a) and (b), the system is at
rest at time t = 0. Determine the angular velocity
of each grooved drum at time t = 4 s. Neglect fric-
tion at the pivot O.
Ans. (a) w = 119.0 rad/s, (b) w = 72.0 rad/s
m = 14 kg, k = 225 mm
r. = 325 mm, r, = 215 mm
V10(9.81) N
10 kg

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