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An unstable atomic nucleus of mass 1.84 10-26 kg initially at rest disintegrates into three particles....

An unstable atomic nucleus of mass 1.84 10-26 kg initially at rest disintegrates into three particles. One of the particles, of mass 5.00 ✕ 10-27 kg, moves along the y axis with a velocity of 6.00 ✕ 106 m/s. Another particle, of mass 8.40 ✕ 10-27 kg, moves along the x axis with a speed of 4.00 ✕ 106 m/s. Find the following. (a) the velocity of the third particle ( î + ĵ) m/s (b) the total kinetic energy increase in the process J

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