3. A North-going lawnmower has a mass of 50 kg and is traveling at 4 m/s. A South -going lawnmower has a mass of 40 kg and is traveling at 5 m/s. If they collide
such that they stick together, what is their final velocity?

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 best description is: . nobody has any idea what q is.