A total electric charge of 3.50nC is distributed uniformly over the surface of a metal sphere witha radius of 24.0 cm. If the potentialis zero at a point at infinity, find the value of the potential atthe following distances from the center of the sphere.
(a) 48.0 cm
(b) 24.0 cm
(c) 12.0 cm

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

part 1: which substance has a higher solubility?

a

smallest amount left undissolved atall temps in table shown most has dissolved high sol'by