The answer is t<span>he phosphoric acid in cola easily removes dirt and grime. The </span>"cola" type drinks is suitable to polish chrome surfaces. Cola contains a very diluted solution of phosphoric acid, which can remove rust, dirt, and grime from chrome surface.
An insulator is an object that prevents the flow of electricity. Examples of such are rubber, plastic, wood, ceramic.
The speed of the winds corresponds to the tangential velocity of the tornado. Let's convert it into m/s:
The diameter of the tornado is 
, so its radius is 
The angular velocity is related to the tangential velocity by:
And keeping in mind that 1 revolution corresponds to 
radians, we find the angular velocity in revolutions per second:
