According to the principle of conservation of momentum,

A. in a closed system, the speed of any two colliding objects will remain constant.

B. in an open system, the total amount of momentum of the objects is conserved.

C. the amount of momentum of all the objects in the universe is constant.

D. in a closed system, an object's momentum before a collision will equal its momentum after the collision.

the assestment will probley apele with cause and effect

unbalanced force

explanation:

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