What is the minimum speed the electron could have

Reference no: EM13312049

The allowed energies of a simple atom are 0.0 eV, 4.5 eV, and 7.0 eV. An electron traveling at a speed of 1.8*10^6 m/s collisionally excites the atom.

Part A: What is the minimum speed the electron could have after the collision?

Part B: What is the maximum speed the electron could have after the collision?

Reference no: EM13312049

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