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assume it to be rightward). Applying Newton’s second law to the
x
axis and
y
axis,
respectively, produces
0.
k
N
Pf m
a
Fm
g
−=
Using
vv
a
x
2
0
2
2
=+Δ
we find
a
= 0.36 m/s
2
. Consequently, we obtain
f
k
= 71 N and
F
N
=
392 N. Therefore,
μ
k
=
f
k
/
F
N
= 0.18.
105. Probably the most appropriate picture in the textbook to represent the situation in
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This note was uploaded on 05/17/2011 for the course PHY 2049 taught by Professor Any during the Spring '08 term at University of Florida.
 Spring '08
 Any
 Physics, Work

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