A 2.2-kg block slides on a horizontal surface with a speed of v=0.80m/s and an
acceleration of...
![subject](/tpl/images/cats/fizika.png)
A 2.2-kg block slides on a horizontal surface with a speed of v=0.80m/s and an
acceleration of magnitude a = 3.2m/s², as shown in (Figure 1).
Part A. What is the coefficient of kinetic friction between the block and the surface? Express your answer to two significant figures.
Part B. When the speed of the block slows to 0.40 m/s, is the magnitude of the acceleration greater than, less than, or equal to 3.2 m/s^2
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