An unstable atomic nucleus of mass 176 10-26 kg initially, Ask an Expert

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An unstable atomic nucleus of mass 1.76 10-26 kg initially at rest disintegrates into three particles. One of the particles, of mass 5.12 10-27 kg, moves in the y direction with a speed of 6.00 106 m/s. Another particle, of mass 8.48 10-27 kg, moves in the x direction with a speed of 4.00 106 m/s.

(a) Find the velocity of the third particle.

(___i + _____j m/s)

(b) Find the total kinetic energy increase in the process.

______ J

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