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A 4500 lb SUV is traveling at 65 mph when it strikes a staged attenuator designed...

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Mechanical Engineering

A 4500 lb SUV is traveling at 65 mph when it strikes a stagedattenuator designed to produce three different energy dissipationrates. For the first 6 ft, the attenuator produces a force of20,000 lb on the impacting vehicle. The second stage is 4 ft longand produces a deceleration force of 40,000 lb. “How long does theattenuator’s 3rd stage have to be to safely stop the SUV if itsdeceleration force is 60,000 lb. Construct the a-s, a-t, and v-tcurves for this impact. (Hint: safely stopping the SUV means thevehicle stops before using up the 3rd stage.)

Answer & Explanation Solved by verified expert
4.3 Ratings (920 Votes)
Mass of the SUV 4500 lbInitial velocity 65 mph 9530    See Answer
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