7 mi
ft
to
hr? min?
?

Conversions Table

7 Miles Per Hour to Feet Per Minute = 616

Explanation: I didn’t know if your talking about that or not.

r=rho l/a where a is the area, l is the length and rho is resistivity so the greater the area the lesser the resistance thats why the earth pin is thicker bcos current follow the shortest path, so less resistive .

f=ma a/f/m a= 480/60 a = 8m/s/s that is quick wow