The 2-1b spool slides along the smooth horizontal spiral rod, r= (20) ft, where is in radians, as shown in (Figure 1). At the instant = 90°, its angular rate of rotation is constant and equals 8 = 4 rad/s. Figure 8= 4 rad/s r 1 of 1 P Determine the horizontal tangential force P needed to cause the motion. Express your answer in pounds to three significant figures. V—| ΑΣΦ | 11 P= 6.244 Submit vec Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining ? lb

The 2-1b spool slides along the smooth horizontal spiral rod, r= (20) ft, where is in radians, as shown in (Figure 1). At the instant = 90°, its angular rate of rotation is constant and equals 8 = 4 rad/s. Figure 8= 4 rad/s r 1 of 1 P Determine the horizontal tangential force P needed to cause the motion. Express your answer in pounds to three significant figures. V—| ΑΣΦ | 11 P= 6.244 Submit vec Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining ? lb

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

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Conservation of Energy

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Question

The 2-1b spool slides along the smooth horizontal spiral
rod, r = (20) ft, where is in radians, as shown in
(Figure 1). At the instant = 90°, its angular rate of
rotation is constant and equals 0 = 4 rad/s.
Figure
8 = 4 rad/s
1 of 1
P
Determine the horizontal tangential force P needed to cause the motion.
Express your answer in pounds to three significant figures.
IVE ΑΣΦ ↓↑ vec
P= 6.244
Submit
Previous Answers Request Answer
X Incorrect; Try Again; 5 attempts remaining
?
lb

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