Tres cargas puntuales se ubican sobre el eje x: q1=5uc en x=0, q2 =3 uc en x=0.3m y q3=7uc en x=0.6m a) ¿cuál es la fuerza sobre la (q2)? : b) ¿ cuál es la fuerza sobre la carga (q3)?

i had this question and the answer was 3.15 miles.

martina travels from school to her mom's office. from there, she walks to school. after school, she walks to the library and then to a friends house before finally ending back at home. find martina's total distance traveled.

a) 0 miles  

b) 0.4 miles  

c) 1 mile  

d) 3.15 miles

this would be about 43%