Question

1.) consider the figure at right. The boy has a weight of 60 lb and the flat car has a weight of 80 lb. The boy's velocity is measured relative to the earth. The wheels of the flat car are frictionless. a.) Draw a free body diagram for the system consisting of the boy + flat car during the boy's jump. v = 4 ft/s 13 A b.) Referencing your free body diagram, explain why the x-momentum of the system IS conserved but the y-momentum of the system is NOT conserved. c.) Use conservation of momentum in the x-direction to find the velocity of the flat car after the boy has completed his jump.

          1.) consider the figure at right. The boy has a weight of 60 lb and the flat car has a weight of 80 lb. The boy's velocity is measured relative to the earth. The wheels of the flat car are frictionless.
a.) Draw a free body diagram for the system consisting of the boy + flat car during the boy's jump.
v = 4 ft/s
13
A
b.) Referencing your free body diagram, explain why the x-momentum of the system IS conserved but the y-momentum of the system is NOT conserved.
c.) Use conservation of momentum in the x-direction to find the velocity of the flat car after the boy has completed his jump.

1.) consider the figure at right. The boy has a weight of 60 lb and the flat car has a weight of 80 lb. The boy's velocity is measured relative to the earth. The wheels of the flat car are frictionless.
a.) Draw a free body diagram for the system consisting of the boy + flat car during the boy's jump.
v = 4 ft/s
13
A
b.) Referencing your free body diagram, explain why the x-momentum of the system IS conserved but the y-momentum of the system is NOT conserved.
c.) Use conservation of momentum in the x-direction to find the velocity of the flat car after the boy has completed his jump.

Added by Danielle B.

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