At a post office truck loading station, a small 0.2 kg package is released from rest at point A on a track that forms a quarter circle with a radius of 1.60 m. The packet is so small relative to said radius that it can be treated as a particle. The package slides along the track and reaches point B with a speed of 4.80 m/s. From here, the package slides 3.0 m on a horizontal surface to point C, where it stops. m собрани 0.21 a)- What coefficient of kinetic friction does the horizontal surface have? -0.728 3.00 m B: m=0.200 kg 0.45 b)- How much work does friction do on the package as it slides along the circular arc between A and B? 0.835 J C: -0.8321 0.39 C: 0.27 D: -3.82 J E: 0.30 3.28 J

At a post office truck loading station, a small 0.2 kg package is released from rest at point A on a track that forms a quarter circle with a radius of 1.60 m. The packet is so small relative to said radius that it can be treated as a particle. The package slides along the track and reaches point B with a speed of 4.80 m/s. From here, the package slides 3.0 m on a horizontal surface to point C, where it stops. m собрани 0.21 a)- What coefficient of kinetic friction does the horizontal surface have? -0.728 3.00 m B: m=0.200 kg 0.45 b)- How much work does friction do on the package as it slides along the circular arc between A and B? 0.835 J C: -0.8321 0.39 C: 0.27 D: -3.82 J E: 0.30 3.28 J

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Question

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At a post office truck loading station, a small 0.2 kg package is released from rest at point A on a track that forms a
quarter circle with a radius of 1.60 m. The packet is so small relative to said radius that it can be treated as a particle.
The package slides along the track and reaches point B with a speed of 4.80 m/s. From here, the package slides 3.0 m
on a horizontal surface to point C, where it stops.
0.21
A:
R=1.60 m
a)- What coefficient of kinetic friction does the horizontal surface have?
-0.7281
B
-3.00 m
B:
0.45
m = 0.200 kg
C:
-0.8321
b)- How much work does friction do on the package as it slides along the circular arc between A and B?
0.39
C
D:
0.835 J
0.27
D:
-3.821
E:
0.30
3.28 J

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