Answer:
You need to use the equations of motion which I wrote down in the image. Since the runner starts from rest, the initial velocity(v0) is 0 and initial position(x0) is also 0. The solution is in the image attached below.
RAKE A BREAK AND GO BACK TO IT QUEEN YOULL GET YA ANSWER
Answer:
It controls the amount of current.
Explanation:
A resistor helps control and maintain the circuit which is it's main function.