HEL If the height of the ramp vas 1.2 m above the floor, how long would it take for the marble to hit the
ground after it left the ramp? (show work)

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.

i think its c if i'm wrong

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