A thin metal disk mass 2. 00×10−3kg and radius 2. 20 cm is attached at its center to a long fiber (figure 1). The disk, when twisted and released, oscillates with a period of 1. 00 s.

Two technicians are discussing how to test a car's exhaust by holding a small piece of paper within an inch of the tailpipe mouth. technician a says that if the paper is vibrating due to a "puffing" output from the tailpipe, this signals a smoothly running engine. technician b says that if the paper is being drawn toward the tailpipe, this could indicate burned exhaust valves. who is correct? a. technician b b. both technicians a and b c. technician a d. neither technicians a or b

You can reduce glare in snowy weatuer by?

Your data will you choose that you can use in your planning. a. evidence-based practices b. strategies others have used c. new and innovative strategies d. strategies recommended by family members