At a given instant the 10-lb block A is moving downward with a speed of 6 ft/s. Block B has a weight of 4 lb, and the coefficient of kinetic friction between it and the horizontal plane is and pulleys. (Eigure 1) = 0.2. Neglect the mass of the cord Figure B A < 1 of 1

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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At a given instant the 10-lb block A is moving downward
with a speed of 6 ft/s. Block B has a weight of 4 lb, and
the coefficient of kinetic friction between it and the
horizontal plane is
= 0.2. Neglect the mass of the cord
and pulleys. (Figure 1)
Figure
▾
B
Part A
A
VA =
Determine the speed of the block A 1.2 s later.
Express your answer to three significant figures and include the appropriate units.
1 of 1
Value
Units
?
Transcribed Image Text:At a given instant the 10-lb block A is moving downward with a speed of 6 ft/s. Block B has a weight of 4 lb, and the coefficient of kinetic friction between it and the horizontal plane is = 0.2. Neglect the mass of the cord and pulleys. (Figure 1) Figure ▾ B Part A A VA = Determine the speed of the block A 1.2 s later. Express your answer to three significant figures and include the appropriate units. 1 of 1 Value Units ?
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