Homework Help: physics

Posted by Anonymous on Wednesday, February 20, 2013 at 11:15pm.

A mass of 8 kg with initial velocity 18 m/s
travels through a wind tunnel that exerts a
constant force 5 N for a distance 0.5 m. It
climbs a frictional incline of height 2
clined at an angle 16
◦
, then moves along a
second frictional surface of coeﬃcient 0.19 before coming to rest.
The acceleration of gravity is 9.8 m/s
2
.
ľ
ľ
m
L h
2
F
S
x
1
θ
vο
If the ﬁrst frictional surface has a coeﬃcient
of 0.24 for a distance 0.8 m, how far does it
slide along the second frictional region before
coming to rest?
Answer in units of m

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