Metal A has a charge of -8,and metal ball B has a charge of -2,what will be the charges on the balls after they come in contact while remaining ins

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

d. platinum would have the greatest temperature increase because it has the lowest specific heat.