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Two particles with masses 2m and 5m are moving toward each other along the x axis with the same initial speed, vi. Particle 2m is traveling in the ?x direction and particle 5m is traveling in the +x direction. They undergo an elastic glancing collision such that particle 2m is moving in the +y direction after the collision.
(a) Find the final speeds of the two particles after the collision. Define all quantities so that I can understand which speed applies to each particle.
(b) What is the angle ? of the 5m mass, measured from its initial direction in the +x direction? Draw me a picture of this angle so that I can see how you define this angle.
003 10.0 points A wire is made of a material with a resistivity of 1.72779 × 10^ ?8 ? · m. estimate the resistance of the wire?
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A uniform plank of length 5.70 m and weight 215 N rests horizontally on two supports, with 1.1 m of the plank hanging over the right support. To what distance x can a person who weighs 452 N walk on the overhanging part of the plank before it just be..
A 200-W infrared laser emits photons with a wavelength of 1.05 multiply.gif 10-6 m, and a 200-W ultraviolet light emits photons with a wavelength of 3.51 multiply.gif 10-7 m. What is the energy of a single infrared photon
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