Answer:
All
Explanation:
I'm not sure what you meant but Newton's third law which basically states that every action has an equal and opposite reaction applies to <em>all</em> objects. So I think the answer is all.
To get a uniform field in the central region between the coils, current flows in the same direction in each.
D. It happens all the time
Use the impulse-momentum theorem.
![Ft = mv](https://tex.z-dn.net/?f=Ft%20%3D%20mv)
Substitute your known values:
![(120kg)(20m/s) = F(1.5) F= 1600N](https://tex.z-dn.net/?f=%28120kg%29%2820m%2Fs%29%20%3D%20F%281.5%29%0A%0AF%3D%201600N)
Hope this helps!
In #8, the distance and the (magnitude of displacement) are equal, because he crawled in a straight line.
Displacement = (straight-line distance from start-point to end-point) in the direction from start to end, regardless of what route was actually followed.
Displacement = 5m, in the negative direction.
In #9 . . . distance will be the same. Displacement is going to be the same magnitude, but in the positive direction.
This is so simple that it's hard to talk about.
In #8, "What was the bug's distance ?". "Distance was 5 meters.". "What was the bug's displacement ?", "Displacement was 5 meters backwards."
In #9, What was the bug's distance ?". "Distance was 5 meters.". "What was the bug's displacement ?", "Displacement was 5 meters forward."