Luca Congi, of the 2007 Grey Cup Champions Saskatchewan Roughriders, kicks the football with an initial speed of 20 m/s 45.0° above the ground. D. J. Flick, standing on the goal line 60.0 meters away in the direction of the kick, starts running to meet the ball the instant it is kicked.. Neglecting air resistance, what must be his average speed in order to catch the ball just before it hits 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.

The purpose of a lab is to do your "expirements" the importance of the topic is so you can now what the story is about and the last one is because no one is me with my question ( what is 3 over 4 x - 9 = 27 maybe you can )