Question: The 1 5 - l b block has a speed of 4 f t s when the force of F = ( 8 t 2

The 15-lb block has a speed of 4fts when the force of F=(8t2)lb is applied. The coefficient of kinetic friction at the
surface is k=0.2.(Figure 1)
Part A
Determine the speed of the block when t=3s.
Express your answer to three significant figures and include the appropriate units.
Figure
The 1 5 - l b block has a speed of 4 f t s when

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