Kinetic Energy Problem

  • Thread starter albinoboy
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Problem: An unstable atomic nucleus of mass 1.60 10-26 kg initially at rest disintegrates into three particles. One of the particles, of mass 5.08 10-27 kg, moves along the y axis with a speed of 6.00 106 m/s. Another particle, of mass 8.50 10-27 kg, moves along the x axis with a speed of 4.00 106 m/s.

A) Find the velocity of the third particle.

(-1.40e7 i - 1.26e7 j)

B) Find the total kinetic energy increase in the process.


I have been messing around with the numbers and can not figure out how to determine the increase in kinetic energy. I have one more attempt and then I get it wrong. Any and all help is greatly appreciated!
 

Answers and Replies

  • #2
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Anyone?
 

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