1. The system shown starts at rest with mass A 1.25 m from B (distance h in picture). Mass A is 750 g and mass B is 1500 g and mass B is supported by a spring with constant 500N/m. The coefficient of restitution between the two collars is 0.8 and the coefficient of kinetic friction between the rod and collar A is 0.25. What is the maximum distance that collar B moves down the rod? A mA Position 2 Position 1 B k = 500 N/m 30° Position 3 Position 4

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Chapter1: Units, Trigonometry. And Vectors
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-Write the work-energy equation of A going from position 1 to position 2 just before
impact. Be sure to include work due to friction. Calculate velocity of A just before impact.
 – Calculate the velocity of B just after impact using momentum and coefficient of
restitution.
– Write the work-energy equation of B going from position 3 (just after impact) to
position 4 (maximum deflection of spring). There is no friction between B and the rod.
Calculate the distance traveled by mass B.

1. The system shown starts at rest with mass A 1.25 m from B (distance h in picture). Mass A is
750 g and mass B is 1500 g and mass B is supported by a spring with constant 500N/m. The
coefficient of restitution between the two collars is 0.8 and the coefficient of kinetic friction
between the rod and collar A is 0.25. What is the maximum distance that collar B moves down
the rod?
ma
Position 2
Position 1
B
k = 500 N/m
mB
30°
Position 3
Position 4
Transcribed Image Text:1. The system shown starts at rest with mass A 1.25 m from B (distance h in picture). Mass A is 750 g and mass B is 1500 g and mass B is supported by a spring with constant 500N/m. The coefficient of restitution between the two collars is 0.8 and the coefficient of kinetic friction between the rod and collar A is 0.25. What is the maximum distance that collar B moves down the rod? ma Position 2 Position 1 B k = 500 N/m mB 30° Position 3 Position 4
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