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In a pool game, the cueball, which has an initial speed of 7.0 m/s, make an elasticcollision with the eight ball, which is initially at rest. Afterthe collision, the eight ball moves at an angle of 35° to theoriginal direction of the cue ball.
(a) Find the direction of motion of the cue ball after thecollision....... in degrees (from original line of motion)
(b) Find the speed of each ball. Assume that the balls haveequal mass.
Two particles of mass m1= 2.3 kg and mass m2 = 4.0 kg that are free to move on a horizontal track are initially held at rest so that they compress a spring as shown in the figure below. The spring has a spring constant k = 395 N/m and is compressed 0..
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