Find the kinetic energy of the first ball after collision

Reference no: EM13294590

A ball with mass m = 0.170 kg and kinetic energy K1 = 2.17 J collides elastically with a second ball of thesame mass that is initially at rest. After the collision, the first ball moves away at an angle of ?1= 38.5° with respect to the horizontal, as shown in the figure. What is the kinetic energy of the first ball after the collision?

Reference no: EM13294590

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