Sphere m1 with a mass of 1.0 kg collides with m2, which also has a mass of 1.0 kg, in an elastic collision.  If v2f= 15 m/s and θ2= 40°, determine v1i.  (Hint:  An elastic collision requires that the after-collision angle between the two velocities must be 90°.)

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Sphere m1 with a mass of 1.0 kg collides with m2, which also has a mass of 1.0 kg, in an elastic collision.  If v2f= 15 m/s and θ2= 40°, determine v1i.  (Hint:  An elastic collision requires that the after-collision angle between the two velocities must be 90°.)

v2f
m2
02
m1 Vli
vif
Transcribed Image Text:v2f m2 02 m1 Vli vif
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