Potassium atom I, with a mass of 6.47 x I 0- 26 kg, has a
Chapter 29, Problem 62(choose chapter or problem)
Potassium atom I, with a mass of 6.47 x I 0- 26 kg, has a speedof 1.30 X I 04 mis. It collides with potassium atom 2 that is at rest,exciting atom 2 to a state from which it emits a 3.06 eY photon asit returns to the ground state. Atom 2 leaves the collision with aspeed of 1.17 x I 04 mis. What is the final speed of atom I?
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