In which direction does magnetic field in the center of the coil point?

Magnetic Field from a Loop. The direction of the field is given by another right-hand rule. Curl the fingers on your right hand the way the current goes. Stick your thumb out and it points in the direction of the magnetic field inside the loop.

1/0.14nm = 10^10/1.4 a lot

answer; how far out of place which the object finished relative to the starting location;