Posted by
**Anonymous** on
.

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

.

µ

µ

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