A small sphere with mass m carries a positive charge q and is attached to one end of a silk fiber of length L. The other end of the fiber is attached to a large vertical insulating sheet that has a positive surface charge density σ. Assume that the sphere is in equilibrium and find the angle that fiber makes with the vertical sheet.

luster is not a good characteristic to use by itself because luster is the property of minerals that indicates how much the surface of a mineral reflects light. the luster of a mineral is affected by the brilliance of the light used to observe the mineral surface.

a skateboard rolling across the street - apex

i really dont know but i will try okay.

so i think u would just add all them up and get your answer..