At a given instant the 10-lb block A in (Figure 1). is moving downward with a speed of 3 ft/s. Figure B 30° < 1 of 1 > ▾ Part A Determine its speed 1 s later if block B has a weight of 4 lb, and the coefficient of kinetic friction between it and the inclined plane is = 0.2. Neglect the mass of the pulleys and cord. Express your answer in feet per second to three significant figures. IVE ΑΣΦ v= 25.83 ↓↑ vec 4 Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining ? ft/s
At a given instant the 10-lb block A in (Figure 1). is moving downward with a speed of 3 ft/s. Figure B 30° < 1 of 1 > ▾ Part A Determine its speed 1 s later if block B has a weight of 4 lb, and the coefficient of kinetic friction between it and the inclined plane is = 0.2. Neglect the mass of the pulleys and cord. Express your answer in feet per second to three significant figures. IVE ΑΣΦ v= 25.83 ↓↑ vec 4 Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining ? ft/s
International Edition---engineering Mechanics: Statics, 4th Edition
4th Edition
ISBN:9781305501607
Author:Andrew Pytel And Jaan Kiusalaas
Publisher:Andrew Pytel And Jaan Kiusalaas
Chapter7: Dry Friction
Section: Chapter Questions
Problem 7.79P: The coefficient of rolling resistance between the 30-kg lawn roller and the ground is r=0.1. (a)...
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Question
7
![At a given instant the 10-lb block A in (Figure 1). is
moving downward with a speed of 3 ft/s.
Figure
B
30°
< 1 of 1
▼
Part A
Determine its speed 1 s later if block B has a weight of 4 lb, and the coefficient of kinetic friction between it
and the inclined plane is = 0.2. Neglect the mass of the pulleys and cord.
Express your answer in feet per second to three significant figures.
πV- ΑΣΦ vec
↓↑
v=25.83
Submit Previous Answers Request Answer
X Incorrect; Try Again; 5 attempts remaining
?
ft/s](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F71886d56-a83a-4d7b-8e18-9a0e9bdd4c82%2Fe59dfd63-5ca3-40d4-b404-26a2d15c6ad4%2Fzpqg0kl_processed.jpeg&w=3840&q=75)
Transcribed Image Text:At a given instant the 10-lb block A in (Figure 1). is
moving downward with a speed of 3 ft/s.
Figure
B
30°
< 1 of 1
▼
Part A
Determine its speed 1 s later if block B has a weight of 4 lb, and the coefficient of kinetic friction between it
and the inclined plane is = 0.2. Neglect the mass of the pulleys and cord.
Express your answer in feet per second to three significant figures.
πV- ΑΣΦ vec
↓↑
v=25.83
Submit Previous Answers Request Answer
X Incorrect; Try Again; 5 attempts remaining
?
ft/s
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