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October 21, 2014

Homework Help: physics

Posted by Anonymous on Thursday, November 8, 2007 at 12:54am.

An unstable nucleus of mass 17x10^-27 kg, initially at rest, disintegrates into 3 particles. One of the particles, of mass 5x10^-27kg, moves along the positive y axis with a speed of 6.0x10^6m/s. Another particle, of mass 8.4x10^-27kg, moves along the positive x axis with a speed of 4x10^6m/s. Determine the third particle's speed and direction of motion. For now you may assume that mass is also conserved in the disintegration process.

I started by multiplying the mass with the velocity. Then, I don't know.

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