When calculating the angular velocity of the Earth as it completes a full rotation on its own axis (a solar day), this equation is represented as: Ï avg = 2Ïrad/1day (86400 seconds), which works out to a moderate angular velocity of 7.2921159 Ã 10 -5 radians/second.
Roof sarking is a membrane that is fitted during tile or metal roof construction. The flexible membrane is usually installed under the battens to provide thermal insulation and to prevent water and dust penetration in the roof space.In bushfire prone areas flying embers cannot enter this space through the roof due to sarking protection.he flexible membrane is usually installed under the battens to provide thermal insulation and to prevent water and dust penetration in the roof space. In bushfire prone areas flying embers cannot enter this space through the roof due to sarking protection.
What is SARS?Severe acute respiratory syndrome (SARS) is a recently identified respiratory illness that first infected people in parts of Asia, North America, and Europe in late 2002 and early 2003. SARS is caused by a previously unknown type of coronavirus, a family of viruses that often cause mild to moderate upper respiratory illness, such as the common cold.