A 0.25kg ball strikes a 1.25kg ball at rest. After the collision the 0.25kg ball is moving with a velocity of 18ms and the second ball is moving with a velocity of 9ms. What is the initial velocity of the first ball?
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Using law of conservation of linear momentum
0.25*V + 1.25 * 0 = 0.25 * 18 + 1.25 * 9
V= 63m/a
0.25*V + 1.25 * 0 = 0.25 * 18 + 1.25 * 9
V= 63m/a
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