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.
Assuming that you meant 'Coal Mine', it would be Gevra - the largest in India and Asia, while the second largest in the world. It was opened in 1981 and has an annual capacity of 35 MTPA. Views Â· View Upvotes.