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Q. A shoe store uses small floor-level mirrors to let customers view prospective purchases. At what angle from vertical should such a mirror be inclined so that a person standing 59 from the mirror with eyes 142 off the floor can see her feet?

Q. An 9.0 kg mass, m(sub)1, on a frictionless table is accelerated by a 3.0-kg mass, m(sub)2, hanging over the edge of the table. What is the acceleration of the mass along the table?

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