15.115 and 15.116 A 60-mm-radius drum is rigidly attached to a 100-mm-radius drum as shown. One of the drums rolls without sliding on the surface shown, and a cord is wound around the other drum. Knowing that at the instant shown end D of the cord has a velocity of 160 mm/s and an acceleration of 600 mm/s2, both directed to the left, determine the accel- erations of points A, B, and C of the drums.

15.115 and 15.116 A 60-mm-radius drum is rigidly attached to a 100-mm-radius drum as shown. One of the drums rolls without sliding on the surface shown, and a cord is wound around the other drum. Knowing that at the instant shown end D of the cord has a velocity of 160 mm/s and an acceleration of 600 mm/s2, both directed to the left, determine the accel- erations of points A, B, and C of the drums.

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

15.115 and 15.116 A 60-mm-radius drum is rigidly attached to a
100-mm-radius drum as shown. One of the drums rolls without sliding on
the surface shown, and a cord is wound around the other drum. Knowing
that at the instant shown end D of the cord has a velocity of 160 mm/s and
an acceleration of 600 mm/s², both directed to the left, determine the accel-
erations of points A, B, and C of the drums.
a
D
100 mm
G
60 mm
40
B
C

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Step 2: Calculations for angular velocity.

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