In a truck-loading station at a post office, a small 0.200-kg package is released from rest at point A on a track that is one-quarter of a circle with radius 1.60 m (the figure (Figure 1)). The size of the package is much less than 1.60 m, so the package can be treated as a particle. It slides down the track and reaches point B with a speed of 4.00 m/s From point B, it slides on a level surface a distance of 3.00 m to point C, where it comes to rest Figure 1 of 1 R1.60 m m= 0.200 kg 3.00 m B.

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Part A
What is the coefficient of kinetic friction on the horizontal surface?
νη ΑΣφ
= 11
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Part B
How much work is done on the package by friction as it slides down the circular arc from A to B?
W =
J
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Transcribed Image Text:Part A What is the coefficient of kinetic friction on the horizontal surface? νη ΑΣφ = 11 Submit Request Answer Part B How much work is done on the package by friction as it slides down the circular arc from A to B? W = J Submit Request Answer
Problem 7.57
In a truck-loading station at a post office, a small 0.200-kg package is released
from rest at point A on a track that is one-quarter of a circle with radius 1.60 m
(the figure (Figure 1)). The size of the package is much less than 1.60 m, so
the package can be treated as a particle. It slides down the track and reaches
point B with a speed of 4.00 m/s From point B, it slides on a level surface a
distance of 3.00 m to point C, where it comes to rest.
Figure
< 1 of 1
RIL60 m
m= 0.200 kg
3.00 m
B.
Transcribed Image Text:Problem 7.57 In a truck-loading station at a post office, a small 0.200-kg package is released from rest at point A on a track that is one-quarter of a circle with radius 1.60 m (the figure (Figure 1)). The size of the package is much less than 1.60 m, so the package can be treated as a particle. It slides down the track and reaches point B with a speed of 4.00 m/s From point B, it slides on a level surface a distance of 3.00 m to point C, where it comes to rest. Figure < 1 of 1 RIL60 m m= 0.200 kg 3.00 m B.
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