Wikipedia.org said: An example is the calculation of the rotational kinetic energy of the Earth. As the Earth has a period of about 23.93 hours, it has an angular velocity of 7.29Ã10â5 rad/s.
Photo Credit Hemera Technologies/AbleStock.com/Getty Images. Himalayan salt is mined from the Khewra Salt Mines in Pakistan, situated at the foothills of the Himalayas. It is the second-largest salt mine in the world, and official records of the Khewra mine date back to the 13th century. The salt obtained from Khewra includes transparent, white, pink, red and dark red salts.
A third pgm-rich layer, the Platreef, is found only on the Potgietersrus limb at the north-eastern edge http://www.platinum.matthey.com/producti... MANGANESE South Africa has 80% of the worldâs known economically mineable manganese ore reserves which occur near Hotazel in the Northern Cape Province.Reserves are estimated at 12 billion tons produced in the middle Protozoic age.ANGANESE South Africa has 80% of the worldâs known economically mineable manganese ore reserves which occur near Hotazel in the Northern Cape Province. Reserves are estimated at 12 billion tons produced in the middle Protozoic age.