The simply supported beam is made of timber that has an allowable bending stress of σallow = 1.20 ksi and an allowable shear stress of �allow = 100 psi. determine its smallest dimensions to if it has a height-to-width ratio of 1.5.

Can someone tell me if this is perpendicular? !

*let m∠cob = 50°30’, m∠aob = 70° and m∠aoc = 20°30’. could point c be in the interior of ∠aob? why?

Me with this assignment ! i only partially understand, so explain. also it's a work sample. at the championship bike race, steve and paula were fighting for first place. steve was 175 feet ahead of paula and had only 300 feet left to go. he was very tired and was going only 9 feet per second. paula was desperate to catch up and was going 15 feet per second. who won the bike race and by how far did she/he win?