Answer:
I would love to help but I don't know I'm so sorry
-0 m/s
- average velocity=displacement/time
- the runners displacement is zero so her average velocity must be zero
<u>Answer:</u>
Work input = Work output * Work against friction is your answer so C
<u>Explanation:</u>
I hope this helps you :)
It is by gaining! I just learned this in school. Hope this helps:)
Answer:
c
Explanation:
all the others r physical
