If a projectile is launched from a cliff at a speed of 22 m/s and it takes 1.7 seconds to reach the ground, how high is the cliff?

The answer would be

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.