1. Refer to figure 1. A wooden block stands motionless on a ramp.. Calculate the coefficient of static friction (Hs ). Refer to the table below. What could be the physical composition of the ramp? Material 1 Material 2 Wood Wood (clean) 0.25 0.5 Wood Wood (wet) 0.2 Wood Concrete 0.62 31.8° Wood Brick 0.6 Figure 1

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1. Refer to figure 1. A wooden block stands motionless on a ramp... Calculate the coefficient
of static friction (Hs ). Refer to the table below. What could be the physical composition of
the ramp?
Material 1
Material 2
Wood
Wood (clean) 0.25 0.5
Wood
Wood (wet)
0.2
Wood
Concrete
0.62
31.8°
Wood
Brick
0.6
Figure 1
2. Refer to figure 2. A block slides down with a constant speed of 12.0 m/s. Calculate the
coefficient of kinetic friction and how far it will travel down the ramp after 5.0 seconds.
Transcribed Image Text:1. Refer to figure 1. A wooden block stands motionless on a ramp... Calculate the coefficient of static friction (Hs ). Refer to the table below. What could be the physical composition of the ramp? Material 1 Material 2 Wood Wood (clean) 0.25 0.5 Wood Wood (wet) 0.2 Wood Concrete 0.62 31.8° Wood Brick 0.6 Figure 1 2. Refer to figure 2. A block slides down with a constant speed of 12.0 m/s. Calculate the coefficient of kinetic friction and how far it will travel down the ramp after 5.0 seconds.
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