a train travels from rest and travelled with a constant acceleration of 2ms-2 for 6 secs it maintained the velocity reached for 30secs and was brought to rest after 5 seconds when brake was applied

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.

Electoral current force mechanical advantage if the wheel and axle is 2 n and the output force is 20 n