Answer to Question #249024 in Civil and Environmental Engineering for toto

Question #249024

 Vehicles often travel city streets adjacent to parking lanes at 56 kph or faster. At his speed and setting detection through response-initiation time for an alert driver at 2 sec. and f = 0.50, how far must the driver be away from a suddenly opened car door to avoid striking it?


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Expert's answer
2021-10-11T07:01:21-0400

SSD=Vt+v22gfSSD=56218+(56218)229.810.5SSD=10.16881mSSD = V_t+\frac{v^2}{2gf}\\ SSD =56*\frac{2}{18}+\frac{(56*\frac{2}{18})^2}{2*9.81*0.5}\\ SSD=10.16881 m


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