As shown in the diagram below, a 1 kg rock tied to a rope is swung by a boy. This rock has a constant speed of 5 m/s, and
the length of the rope is 1 m. The rock's angular momentum is

im not to sure what it is

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.

amplitude

hope this