A student drops a ball from a height of 49.0m. If the ball increases speed at a uniform rate of 9.81m/s2, determine all unknowns. How long did the ball remain in the air? What was the ball’s speed just before striking the ground?

answer and explanation;

composition refers to both the types of minerals within a rock and the overall chemical makeup of the rock while texture refers to the size and arrangement of the minerals or grains that make up a rock. both composition and texture can be used to classify rocks, such as igneous rocks. texture describes how the rock became solid or crystallized from liquid, melted rock. composition of a rock describes the minerals that make up a particular rock.

Answer (d) the universe had cooled enough for atoms to combine, protons and neutrons were too far apart to form nuclei;