Multiple-Concept Example 3 illustrates several of the concepts used in this problem. A single electron orbits a lithium nucleus that contains three protons (+3e). The radius of the orbit is 1.13 x 10 11 m. Determine the kinetic energy of the electron.

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B5
Multiple-Concept Example 3 illustrates several of
the concepts used in this problem. A single electron
orbits a lithium nucleus that contains three protons
(+3e). The radius of the orbit is 1.13 x 10 11
Determine the kinetic energy of the electron.
m.
In the rectangle in the drawing, a charge is to be
placed at the empty corner to make the net force
on the charge at corner A point along the vertical
direction. What charge (magnitude and algebraic
sign) must be placed at the empty corner?
Number
i
Units
Transcribed Image Text:Multiple-Concept Example 3 illustrates several of the concepts used in this problem. A single electron orbits a lithium nucleus that contains three protons (+3e). The radius of the orbit is 1.13 x 10 11 Determine the kinetic energy of the electron. m. In the rectangle in the drawing, a charge is to be placed at the empty corner to make the net force on the charge at corner A point along the vertical direction. What charge (magnitude and algebraic sign) must be placed at the empty corner? Number i Units
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