That is, the car will be moving ( 6000 * 6.28 * r) / (R1*R2) inches per minute. Since 1 mile = 5280 feet = 63,360 inches, and 1 hour = 60 minutes, then the conversion from inches per minute to miles per hour is ( 60 / 63,360 ). So, if the engine is turning 6000 rev/min then the car must be going (60 / 63,360) * ( ( 6000 * 6.28 * r) / (R1*R2) miles/hour.
Kaieteur Falls is the world's widest single drop waterfall, located on the Potaro River in the Kaieteur National Park, in Essequibo, Guyana.Its location is in the Amazon forest.aieteur Falls is about four times higher than the Niagara Falls, on the border between Canada and the United States, and about twice the height of the Victoria Falls, on the border of Zambia and Zimbabwe in Africa.
Balanced Rock. South of Buhl in the Salmon Falls Creek Canyon stands world-famous Balanced Rock. Over 48 feet tall and 40 tons, the wind-carved rock balances precariously on a pedestal only 3 feet by 17 inches. ...[more]