A linebacker runs at 3 m/s and collides with a running back running towards him at 3.2 m/s. If the running back bounces back and the linebacker stops what could be
assumed about the momentum of the running back?
A The momentum would be less than the sum of the two players before they collide
B The momentum would be twice as much as before the collision
C. The momentum would be eliminated.
D The momentum would equal the sum of the two players before they collide

b

Explanation:

im in fifth grade so i guessd. gl tho heh.

d

explanation:

v=uf/(u-f)

= 5.10/(5-10) convex lens has positive focal length

=50/-5

=-10 cm (formed at other side)

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