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problem_pdf_hw02

# problem_pdf_hw02 - vuong(rmv294 HW2 bohm(59970 This...

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vuong (rmv294) – HW2 – bohm – (59970) 1 This print-out should have 10 questions. Multiple-choice questions may continue on the next column or page – find all choices before answering. 001 10.0 points A car traveling at 6.9 m/s accelerates 2.0 m/s 2 to reach a speed of 11.0 m/s. How long does it take for this acceleration to occur? Answer in units of s. 002 10.0 points If your car goes from 0 mi / h to 50 mi / h in 6 s, what is your average acceleration? Answer in units of miles h · s . 003 10.0 points A car, moving along a straight stretch of high- way, begins to accelerate at 0 . 0359 m / s 2 . It takes the car 70 . 6 s to cover 1 km. How fast was the car going when it first began to accelerate? Answer in units of m / s. 004 10.0 points A ranger in a national park is driving at 54 km / h when a deer jumps onto the road 71 m ahead of the vehicle. After a reaction time of t s, the ranger applies the brakes to produce an acceleration of - 3 . 9 m/s 2 . What is the maximum reaction time al- lowed if the ranger is to avoid hitting the deer? Answer in units of s.

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problem_pdf_hw02 - vuong(rmv294 HW2 bohm(59970 This...

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