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March 5, 2015

Homework Help: physics

Posted by collisions on Sunday, July 3, 2011 at 5:30pm.

Two masses are involved in an elastic collision. The first has a mass of 0.150 kg and an initial velocity of 0.900 m/s directed at an angle of 50 degrees with the positive y-axis as shown below. The second mass, of 0.260 kg moves along the x-axis with an initial velocity of 0.540 m/s. After the collision, the first mass has a velocity of 0.640 m/s at an angle of θ=11 degrees above the positive x-axis. The second mass has an angle φ, directed below the positive x-axis. Find the magnitude and direction of the second mass's final velocity. (answers given: φ = -35.09 degrees, and V2f= 0.703 m/s).

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