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An alpha particle (charge = +2e)is sent at high speed toward a gold nucleus (charge +79e).What is the electrical force acting on the alpha particle when it is at a distance of 2 *10 - 14 m away from the gold nucleus? (e = 1.6 *10 - 19 C)
Sub-Saharan Africa
The region of Africa located south of the Sahara Desert, often referred to in the context of geographic, cultural, or economic discussions.
AIDS Epidemic
A widespread outbreak of Acquired Immune Deficiency Syndrome, a chronic, potentially life-threatening condition caused by the human immunodeficiency virus (HIV).
Northern Europe
A geographical and cultural region in the northern part of Europe, characterized by its climate, history, and traditions.
Central America
Central America is a geographic region in the Americas bordered by Mexico to the north, Colombia to the southeast, the Caribbean Sea to the east, and the Pacific Ocean to the west, comprising seven countries.
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