Complete the following statement: Different types of collisions between interacting bodies are categorized on the basis of
a. linear momentum conservation
b. mechanical energy conservation.
c. kinetic energy conservation.
d. the magnitude of the forces
involved

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