Answer: 29.4
Step-by-step explanation:
Answer:
15
F1/A1 = F2/A2
10/2=F2/4
5=F2/4
F2=5x4
F2=20
Answer: question is incomplete.
1 x 10^10
2 x 10^-10
7 x 10^-11
8 x 10^-11