4. The figure shows an elastic collision of two objects on a frictionless table. Object A has a mass of 2 kg and object B has a mass of 1 kg. Object A is moving right initially at 10 m/s in the positive x direction and collides elastically into the stationary object B. Object A has an unknown final velocity but is moving at an angle of 70 degrees above the +x axis. Object B is initially at rest and is moving at some unknown velocity after the collision. Object B is moving at an angle of -20 degrees below the +x axis. Find the post-collision speeds of both objects. Carry out calculations to 4 or 5 digits. (VA' = 3.42 m/s; v₂' = 18.8 m/s) Object A before V = 10 m/s in the + x direction Object B before v = 0 m/s Object A after collision. Moving at 70 degrees at some unknown velocity Object B after collision. Moving at -20 degrees at some unknown velocity
4. The figure shows an elastic collision of two objects on a frictionless table. Object A has a mass of 2 kg and object B has a mass of 1 kg. Object A is moving right initially at 10 m/s in the positive x direction and collides elastically into the stationary object B. Object A has an unknown final velocity but is moving at an angle of 70 degrees above the +x axis. Object B is initially at rest and is moving at some unknown velocity after the collision. Object B is moving at an angle of -20 degrees below the +x axis. Find the post-collision speeds of both objects. Carry out calculations to 4 or 5 digits. (VA' = 3.42 m/s; v₂' = 18.8 m/s) Object A before V = 10 m/s in the + x direction Object B before v = 0 m/s Object A after collision. Moving at 70 degrees at some unknown velocity Object B after collision. Moving at -20 degrees at some unknown velocity
Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter11: Collisions
Section: Chapter Questions
Problem 81PQ
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