A dog of mass 10kg jumps on a dining table of mass 40kg. As the dog walks around on the table, what is the average force that the table applies to the dog? Using Newtons Third Law to solve, please show the work :)

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

the right answer is 0.3 meters per second

the answer should be in the picture.