Instructions:

• Recognize the givens and the unknowns.
• Listing concepts and principles to be used.
• Showing the basic equations related to the principles.
• Substituting the appropriate numerical values into the equations.
• Correct numerical answer and for proper unit
• Performing dimensional analysis throughout the problem.

Suppose the electric field between the electric plates in the mass spectrometer of (Figure 1) is 2.88104V/m and the magnetic fields B=B=0.71 T. The source contains carbon isotopes of mass numbers 12, 13, and 14 from a long-dead piece of a tree. (To estimate atomic masses, multiply by 1.67 10^-27kg

\f