APFIVE Two-Dimensional Collision Angle
A 2.0 kg ball moving at 5.0 m/s collides with a stationary 3.0 kg ball. After the collision, the 2.0 kg ball moves at 1.0 m/s at an angle of 60° from its original direction. At what angle θ from the original direction of the first ball does the second ball move?
A
θ = 30°
B
θ = 60°
C
θ = -11°
D
θ = -45°
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