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Physics1Ahw7

# Physics1Ahw7 - Physics 1A Problem Set 7 Winter 2008 1...

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Physics 1A Winter 2008 Problem Set # 7 1) Pluto's diameter is approximately 2370 km, and the diameter of its satellite Charon is 1250 km. Although the distance varies, they are often about 1.99×10 4 km apart, center-to-center. Assuming that both Pluto and Charon have the same composition and hence the same average density, find the location of the center of mass of this system relative to the center of Pluto. 2) The energy available to produce new particles in a collision is the kinetic energy in the center of mass reference frame. Show that a collider (an accelerator where two particles of given mass m having the same magnitude and opposite sign of the initial velocity v are smashed together) is equivalent to a fixed target accelerator where particles with initial velocity 2v are colliding with target particles at rest. 3) Jonathan and Jane are sitting in a sleigh that is at rest on frictionless ice. Jonathan's weight is 800 N, Jane's weight is 600 N, and that of the sleigh is 1000 N. They see a poisonous spider on the floor of the sleigh and immediately jump

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Physics1Ahw7 - Physics 1A Problem Set 7 Winter 2008 1...

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