The 4.00 kg block is attached to a vertical rod by meansof two strings. When the system rotates about the axis ofthe rod, the strings are extended as shown in the(Figure 1) and the tension in the upper string is 76.0 N.Part AWhat is the tension in the lower cord?Express your answer with the appropriate units.HA?Tiower =ValueUnitsSubmitRequest AnswerFigure< 1 of 1Part BHow many revolutions per minute does the system make?Express your answer in revolutions per minute.1.25 mHVα ΑΣφ?2.00 m4.00 kgV =rev/min1.25 mSubmitRequest AnswerPart C Part CFind the number of revolutions per minute at which the lower cord just goes slack.Express your answer in revolutions per minute.nν ΑΣφ?Vminrev/minSubmitRequest Answer

Answered: Image /qna-images/answer/0238e82f-ef78-4221-b63b-41eae637987f.jpg

The 4.00 kg block is attached to a vertical rod by means of two strings. When the system rotates about the axis of the rod, the strings are extended as shown in the (Figure 1) and the tension in the upper string is 76.0 N. Figure 1 of 1 1.25 m 2.00 m | 4.00 kg 1.25 m

The 4.00 kg block is attached to a vertical rod by means of two strings. When the system rotates about the axis of the rod, the strings are extended as shown in the (Figure 1) and the tension in the upper string is 76.0 N. Figure 1 of 1 1.25 m 2.00 m | 4.00 kg 1.25 m

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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Concept explainers

Free undamped vibrations

Whenever an object/system displaces in either side of its equilibrium position with the help of an external/internal means, then the object/system moves regularly or randomly on both sides of its equilibrium position. This motion is called vibration. Generally, there are three types of vibration: longitudinal vibration, transverse vibration, and torsional vibration.

Question

The 4.00 kg block is attached to a vertical rod by means
of two strings. When the system rotates about the axis of
the rod, the strings are extended as shown in the
(Figure 1) and the tension in the upper string is 76.0 N.
Part A
What is the tension in the lower cord?
Express your answer with the appropriate units.
HA
?
Tiower =
Value
Units
Submit
Request Answer
Figure
< 1 of 1
Part B
How many revolutions per minute does the system make?
Express your answer in revolutions per minute.
1.25 m
HVα ΑΣφ
?
2.00 m
4.00 kg
V =
rev/min
1.25 m
Submit
Request Answer
Part C

Part C
Find the number of revolutions per minute at which the lower cord just goes slack.
Express your answer in revolutions per minute.
nν ΑΣφ
?
Vmin
rev/min
Submit
Request Answer

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