38*10=380 N
To be more exact, 38 should be multiplied by 9.8 instead of 10.
Answer:
In conductive materials, the outer electrons in each atom can easily come or go, and are called free electrons. In insulating materials, the outer electrons are not so free to move. All metals are electrically conductive.
The height is zero.
That means whatever place is your reference for height measurement,
the object is lying right there at that height.
90 kilograms hope this helps