The cord is attached to the pin at CC and passes over the two pulleys at AA and DD. The pulley at AA is attached to the smooth collar that travels along the vertical rod. At the instant sAsA = 4 ftft the collar is moving upward at 4.5 ft/s, which is decreasing at 2 ft/s2. (Figure 1)

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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The cord is attached to the pin at CC and passes over the two pulleys at AA and DD. The pulley at AA is attached to the smooth collar that travels along the vertical rod. At the instant sAsA = 4 ftft the collar is moving upward at 4.5 ft/s, which is decreasing at 2 ft/s2. (Figure 1)

3 ft
3 ft
D
SA
B
A
Transcribed Image Text:3 ft 3 ft D SA B A
Determine the velocity of the end of the cord at B.
Express your answer to three significant figures and include the appropriate units. Enter positive value if the velocity is upward and negative value if the
velocity is downward.
HÁ
?
VB =
Value
Units
Submit
Previous Answers Request Answer
X Incorrect; Try Again; 4 attempts remaining
Part B
Determine the acceleration of the end of the cord at B.
Express your answer to three significant figures and include the appropriate units. Enter positive value if the acceleration is upward and negative value if the
acceleration is downward.
HA
?
aB =
Value
Units
Submit
Request Answer
Transcribed Image Text:Determine the velocity of the end of the cord at B. Express your answer to three significant figures and include the appropriate units. Enter positive value if the velocity is upward and negative value if the velocity is downward. HÁ ? VB = Value Units Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining Part B Determine the acceleration of the end of the cord at B. Express your answer to three significant figures and include the appropriate units. Enter positive value if the acceleration is upward and negative value if the acceleration is downward. HA ? aB = Value Units Submit Request Answer
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