MA: 14 Each of the two blocks has a mass
m
. The coefficient of kinetic friction at all surfaces of contact is
\mu =
0.25. If a horizontal force
P
moves the bottom block, determine the acceleration of the bottom block in each case. Note:
m_(A )14
kg,m_(B)=m_(A)kg,P=30N
; and draw detailed free-body diagram; (20 POINTS) (a)
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