C 82.4 N sorry man if i am wrong but don't even think about reporting my answer
Answer: The trip takes 
Explanation:
Velocity 
is the variation of the position of a body (distance traveled 
) with time 
:
In this case, the car travels a distance 
at a velocity 
and we need to find the time it takes the trip.
Isolating :
Finally:
A coil of insulated wire around an iron core
