A string will break if the tension force is greater than 23N what is the minimum time required to pull a 5.0kg mass a distance of 12m (by using the string). Assume the mass started from rest and the coefficient of kinetic friction is 0.11.

a and b sometimes have a positive value

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