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The 10-lb block has a speed of 4 ft/s when the force of
F = (81²) lb is applied. The coefficient of kinetic friction at the
surface is μ = 0.2. (Figure 1)
Figure
F = (8r²) lb
v=4 ft/s
< 1 of 1
Part A
Determine the speed of the block when it moves s= 38 ft.
Express your answer to three significant figures and include the appropriate units.
V =
Value
Submit
μА
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