Answer:
Explanation: see attachment below
Which best explains why we are able to accelerate forward when starting to run? A) The runner's upper body quickly leans forward
2 answers:
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Answer:
84.82N/C.
Explanation:
The x-components of the electric field cancel; therefore, we only care about the y-components.
The y-component of the differential electric field at the center is
.
Now, let us call the charge per unit length, then we know that
;
therefore,
Integrating
Now, we know that
and the radius of the semicircle is
therefore,
