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.
Chinking is the material that fills the gap between logs in a log home. A properly built Scandinavian Chinkless style of log home will have no chinking at all (thus the name âScandinavian Chink-lessâ rather than âScandinavian Chinkedâ).hinking is the material that fills the gap between logs in a log home. A properly built Scandinavian Chinkless style of log home will have no chinking at all (thus the name âScandinavian Chink-lessâ rather than âScandinavian Chinkedâ).