*19. Multiple-Concept Example 3 provides some pertinent background for this problem. Suppose a single electron orbits about a nucleus containing two protons (+2e), as would be the case for a helium atom from which one of the two naturally occurring electrons is removed. The radius of the orbit is 2.65 x 10-11 m. Determine the magnitude of the electron’s centripetal acceleration.

 

Note the – sign means attractive.  Solve for centripetal acceleration.

 

 

 

 

 

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This page last updated on June 1, 2018