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.

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Chapter1: Units, Trigonometry. And Vectors
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answer c only. Please explain work in detail. 

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 +4q charge with mass m is free to move. At time t,, the charges
are at rest and separated by a distance d. At a later time t2, the charges are separated by a distance 2d.
Time t,
Time 1₂
+4q, m
+q, m
+4q, m
-2d-
+q, m
A. Is the work done by the +q charge on the +4q charge during the time interval from t, to t₂
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.
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 +4q charge with mass m is free to move. At time t,, the charges are at rest and separated by a distance d. At a later time t2, the charges are separated by a distance 2d. Time t, Time 1₂ +4q, m +q, m +4q, m -2d- +q, m A. Is the work done by the +q charge on the +4q charge during the time interval from t, to t₂ 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.
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