A balloon of mass M is floating motionless in the air. A person of mass less than M is on a rope ladder hanging from the balloon. The person begins to climb the ladder at a uniform speed v relative to the ground. How does the balloon move relative to the ground? 1. The balloon does not move. 2. Down with a speed less than v 3. Up with a speed less than v 4. Down with speed v 5. Up with speed v

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.

Wind or electric energy force force of friction

Awoodchuck would chuck all the wood he could chuck if a woodchuck could chuck wood.