C. Will the kinetic energy of the system of the two charges increase, decrease, or remain the same during the time interval from t, to t₂? If the change in kinetic energy cannot be determined with the given information, state that explicitly. Explain.
C. Will the kinetic energy of the system of the two charges increase, decrease, or remain the same during the time interval from t, to t₂? If the change in kinetic energy cannot be determined with the given information, state that explicitly. Explain.
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Answere C only. please show work clearly writen

Transcribed Image Text:ET6-QRT1: TWO CHARGED OBJECTS-WORK AND ENERGY
Shown below are the positions of two small objects with identical masses and different charges. The
smaller charge is fixed in place while the +49 charge with mass m is free to move. At time ,, the charges
are at rest and separated by a distance d. At a later time 12, the charges are separated by a distance 2d.
Time t,
Time 1₂
+4q. m
+q, m
+4q, m
+q, m
2d
A. Is the work done by the +q charge on the +4q charge during the time interval from t, to t
positive, negative, or zero? If the work done cannot be determined with the given information, state
that explicitly. Explain.
B. Will the electric potential energy of the system of two charges increase, decrease, or remain the
same during the time interval from t, to ty? If the change in electric potential energy cannot be
determined with the given information, state that explicitly. Explain.
C. Will the kinetic energy of the system of the two charges increase, decrease, or remain the same
during the time interval from t, to t₂? If the change in kinetic energy cannot be determined with
the given information, state that explicitly. Explain.
D. If the +4q charged object with mass m is replaced with a +4q charged object with a mass of
2m, will the quantities in parts A, B, and C be larger, smaller or the same as determined in
parts A, B, and C? Explain.
E. If the +4q charged object with mass m is replaced with a +12q charged object with the same
mass m, will the quantities in parts A, B, and C be larger, smaller, or the same as determined in
parts A, B, and C? Explain.
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