PLSSS HELP YALL An elevator traveled 15 floors (150 ft) at a speed of 4.5 m/s. What additional information is needed to determine the velocity of the elevator? A the direction the elevator traveled

B how long the elevator was stationary

C how many times the elevator stopped

D the total mass of the elevator plus anything in it

Non metal is an element or substance that is not a metal metal is a solid material that is typically hard, shiny, malleable, fusible, and ductile, with good electrical and thermal conductivitymetalloid is an element (e.g., germanium or silicon) whose properties are intermediate between those of metals and solid nonmetals. they are electrical semiconductors.

Change in speed or direction : )