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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)

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)

Refrigeration and Air Conditioning Technology (MindTap Course List)
Refrigeration and Air Conditioning Technology (MindTap Course List)
8th Edition
ISBN:9781305578296
Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Chapter35: Comfort And Psychrometrics
Section: Chapter Questions
Problem 13RQ: A house has 3500ft2 of floor space and a 9-ft ceiling. What is the cubic volume of the house?
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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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