Question: 3 . A car with 1 7 - inch radius wheels is traveling at maximum power on a road with a - 3 % grade
A car with inch radius wheels is traveling at maximum power on a road with a grade with a gear reduction ratio of and driveline slippage of The car has a braking efficiency of when antilock brakes ABS work, and a torqueengine speed curve of the form:
Me ne ne
with Me in ftlb and ne in revolutions per second.
While traveling on poor, wet road, the driver spotted a stalled truck up ahead. He was able to come to a complete stop just before hitting the truck. The final feet was on packed ice and the cars ABS did not work which reduced its braking efficiency to Assume frl when the brakes are locked. You will need to compute frl when the brakes are not locked. What is the minimum theoretical stopping distance from the stalled truck to where the driver first spotted the truck? For theoretical stopping distance, ignore air resistance. What is the cars deceleration rate in the last feet?
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