Two shuffleboard disks of equal mass, one orange and the other green, are involv

Question

Two shuffleboard disks of equal mass, one orange and the other green, are involved in a perfectly elastic glancing collision. The green disk is initially at rest and is struck by the orange disk moving initially to the right at vrightarrowhead.gifOi = 6.05 m/s as in Figure a, shown below. After the collision, the orange disk moves in a direction that makes an angle of = 36.0° with the horizontal axis while the green disk makes an angle of = 54.0° with this axis as in Figure b. Determine the speed of each disk after the collision.

vof = _______ m/s

vgf = _______ m/s

Explanation / Answer

since they are moving in perpendicular directions hence

Vof = Voi cos36 = 4.89 m/s

Vgf = Voi sin 36 = 3.55 m/s

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