Answer:
Brianna pushes against a door that is stuck in but No work is done
Explanation:
Force: this simply an action and it involves either a pull or a push.
Energy: it is ability to do work.
Work: work is done when force is applied over a distance.
Brianna pushes against a door that is stuck in; a force is exerted with a form of energy but no any form of movement. Work is done when the exerted force is translated to kinetic energy over a distance.
African colonies produced raw materials which were expropriated by the colonialists (centre nations). Furthermore, colonialism introduced a dual economic structure within the African economy. It also brought about disarticulation of African economy, education, trade, market, transport and currency institution.
Because our friends love us. and people are also haters !!
Answer:
Stars are formed on the density waves and the waves have gases and stellar winds that aid in there formation.
Explanation:
- As the spiral galaxies are those that are formed by the flat rotating disks that have stars, dust and lots of gas and the concentration of the tars is called the bulge. They are surrounded by a fainter halo and globular clusters.
- They have the wide arms that extend from the center of the galactic disk and have ongoing star formations. As they have many loose arms that have young and hot stars and are blue in color and that makes them so bright.
