Question

Learning Arkansas State University, Newport-PHYS 2133-Spring19-SUMMERS Activities and Due Dates Homework 83: Forces Score2/1/2019 11SSPM 46.7/100 Question 11 of 15 As a city planner, you receive complaints from local residents about the safety of nearby roads and streets One complaint concerns a stop sign at the comer of Pine Street and 1st Street. Residents complain that the speed limit in the area (55 mph) is too high to allow vehicles to stop in time. Under normal conditions this is not a problem, but when fog roils in in this region, you decide to investigate. can reduce to only 135 feet. Since fog is a common occurrence The state highway department stales that the eflective coefficient of friction between a rolling wheel and asphalt ranges between 0 842 and 0.941, whereas the effective coefficient of friction between a skidding locked) wheel and asphalt small VW bugs weighing 1070 ib to large trucks weighing 8910 b between 0.550 and 0.754. Vehicles of all types travel on the road, from Considering that some drivers will brake properly when slowing down and others will skid to stop, calcdate the miminim and maximum braking distance needed to ensure that all vehicles traveling at the posted speed imit can stop beflore reaching the intersection Maximum ft Given that the goal is to allow all vehidles to come safely to a stop before reaching the inersection, calculate speed imi Scroll down for nore questions ) mph O Previous Check A Next HExt TOSHIBA 삐11

Answer 1

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