A box having a mass of 4 kg moves up to point B with an initial velocity 7 m/s at point A on an inclined plane of height 2 m. 7 m/s ; 2 m 300 FIGURE 2

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Chapter1: Units, Trigonometry. And Vectors
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please help me. I cannot find the answer for b) and c)
A box having a mass of 4 kg moves up to point B with an initial velocity 7
m/s at point A on an inclined plane of height 2 m.
7 m/s
2 m
300
FIGURE 2
The box passes point B with velocity of 2 m/s. Determine
the work done by friction force.
11.6J
a.
b.
the frictional force acting on the box.
2.9 N
C.
the coefficient of the kinetic friction between the plane and the
box.
0.085
Transcribed Image Text:A box having a mass of 4 kg moves up to point B with an initial velocity 7 m/s at point A on an inclined plane of height 2 m. 7 m/s 2 m 300 FIGURE 2 The box passes point B with velocity of 2 m/s. Determine the work done by friction force. 11.6J a. b. the frictional force acting on the box. 2.9 N C. the coefficient of the kinetic friction between the plane and the box. 0.085
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