If r = 420 ft , determine the angular velocity θ˙ of the radial line oa at this instant.

Answer the osha construction standard requires flexible cords to be rated for hard or extra hard usage;

The correct answer is b, social stratification is needed for a society to exist. marxist theory regarding social stratification is that due to the differing economic capacities among people in society, a natural separation occurs between those that own the means of production and those that sell their labour in the production chain. 

Take a break, read a book, take a nap, self-care really