Accountancy is most important including checks and balances.
Samuel Gompers was the one who organized it
The correct answer to this open question is the following.
We can help you with the elements or content so you can create your mind map.
The key features of the Umm an-Nar Society that you have to consider are the following.
Location: they inhabited the territory of Abu Dhabi, off its coast. Highlight the this was an island called Umm an-Nar.
The time: they lived during the Bronze Age. Approximately form 2,500BCE to 2,000 BCE.
Influence: they influence all the territory of the Arab Emirates.
Main activity: trade. They trade sea products with other regions.
Other civilizations that had trade relationships: the Indis Valley Civilizations and Sumeria with its many city-states such as Lagash, Kish, Uruk, and Ur.
Objects found in excavations: archeologists have found many objects that belonged to this civilization such as pottery, weapons, necklaces, jewelry, and hooks for fishing.
Answer:
(mu)r*g=v^2
Explanation:
Ok this is how I approached it: I know f= ma where a is acceleration, which is v^2/r I know static friction is f=(mu)N where N is m*g therefore: (mu)m*g=m*v^2/r m's cancel out leaving: (mu)r*g = v^2
