13. (Center of Mass and Linear Momentum) The mass mi =1.0 kg moving 5.0 m/s on...
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13. (Center of Mass and Linear Momentum) The mass mi =1.0 kg moving 5.0 m/s on a horizontal frictionless floor collides with 2.0 kg initially at rest. After the collision, m, moves at a 3.0 m/s and m, moves at a speed vaf along the directions with a speed v1 a mass m2 speed Vif shown in the figure. y i Find the speed v2r of m2 after the collision. Vif ii Is this collision elastic or not? Prove your answer. m, Vii iiř Find the velocity of the center of mass of the system after collision. Give your answer in V2f Before coll. After coll. terms of unit vector notation. iv Find the impulse delivered to mị during the collision. Give your answer in terms of unit vector notation. Answer: i) v2f 2.0 m/s ii) Inelastic iii) vcom, = 5/3 m/s i iv) = J = (-3.2î + 2.4j) kgm/s 13. (Center of Mass and Linear Momentum) The mass mi =1.0 kg moving 5.0 m/s on a horizontal frictionless floor collides with 2.0 kg initially at rest. After the collision, m, moves at a 3.0 m/s and m, moves at a speed vaf along the directions with a speed v1 a mass m2 speed Vif shown in the figure. y i Find the speed v2r of m2 after the collision. Vif ii Is this collision elastic or not? Prove your answer. m, Vii iiř Find the velocity of the center of mass of the system after collision. Give your answer in V2f Before coll. After coll. terms of unit vector notation. iv Find the impulse delivered to mị during the collision. Give your answer in terms of unit vector notation. Answer: i) v2f 2.0 m/s ii) Inelastic iii) vcom, = 5/3 m/s i iv) = J = (-3.2î + 2.4j) kgm/s
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Related Book For
Fundamentals of Physics
ISBN: 978-0471758013
8th Extended edition
Authors: Jearl Walker, Halliday Resnick
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