What height is the pendulum at in #3 when its velocity is 3.9 m/s? 1.9 m
4.2 m
10.3 m
11.6 m

its c i just checked it

more than, less

less than, more

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.