Answer
$+4.5Q$
Work Step by Step
We know that when these two spheres touch each other, then the shared charge will be distributed equally over their surfaces. The net charge is $+35Q-26Q=+9Q$. Thus, the final charge on sphere 1 is $+4.5Q.$
Physics Technology Update (4th Edition)
by Walker, James S.
Published by
Pearson
ISBN 10:
0-32190-308-0
ISBN 13:
978-0-32190-308-2
Chapter 19 - Electric Charges, Forces, and Fields - Problems and Conceptual Exercises - Page 687: 76
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