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