Giancoli Ch. 16 – p. 465, Problems #1-12 key

1) 13 N
2) 1.87 x 1014 electrons
3) 2.7 x 10-3 N
4) 9.2 N
5) 5.5 x 103 N
6) 2.0 N
7) 4.88 cm = 0.0488 m
8) 2.6 x 1014 electrons; 2.4 x 10-16 kg
9) -5.4 x 107 C
10) 2.3 x 1039 times stronger
11a & b) we’ll go over these in class
12) -147.2 N; 563.5 N; -416.3 N