marble with mass ?? = 2.5 [g] moves eastward with speed ?? = 1.75 [m/s]. It then collides with another marble of mass ?? = 1.25 [g] and is moving northward with a speed ?? = 2.30 [m/s]. After the collision, marble ? now moves at 50° north of east, while marble ? moves at 20° south of east. 2 A. What is the speed of marble ? after the collision? B. What is the speed of marble ? after the collision? C. Is energy lost or gained in the system

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A: Given m1=1000 kgθ=35°u1=20 m/sm2=1500 kgu2=30 m/s

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