ch11-p073 - 73. (a) The diagram below shows the particles...

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73. (a) The diagram below shows the particles and their lines of motion. The origin is marked O and may be anywhere. The angular momentum of particle 1 has magnitude () 11 1 sin mvr mv d h θ == + A and it is into the page. The angular momentum of particle 2 has magnitude A 22 2 mvr mvh sin and it is out of the page. The net angular momentum has magnitude 4 52 (2.90 10 kg)(5.46 m/s)(0.042 m) 6.65 10 kg m /s. Lm v dh m v hm v d =+ = and is into the page. This result is independent of the location of the origin.
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