The resistance of the cylindrical wire is
.
Here
is the resistance,
is the length of the wire and
is the area of cross section. Since the wire is cylindrical
. Rearranging the above equation,

Here
.
Substituting numerical values,

The length of the wire is 
Multiply by the fraction (1 kg/1000 gm).
Hello User,
Volcanic fragment thrown into air during volcanic eruption is called tephra. Tephra rocks are classified by size.
It would be both speed and direction depending on the man's swing