Quiz 1 Review - THESE PROBLEMS WERE TAKEN FROM PAGES 72 73...

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THESE PROBLEMS WERE TAKEN FROM PAGES 72 & 73 IN YOUR BOOK 33) An elevator is moving upward 1.20 m/s when it experiences an acceleration of 0.31 m/s 2 downward, over a distance of 0.75 m. What will its final velocity be? 0.99m/s 46) A rocket moves upward, starting from rest with an acceleration of 29.4 m/s 2 for 3.98 s. It runs out of fuel at the end of the 3.98 s but does not stop. How high does it rise above the ground? 931.39m 50) A ranger in a national park is driving at 56 km/h when a deer jumps onto the road 65 m ahead of the vehicle. After an unknown reaction time, the ranger applies the brakes to produce an acceleration of 3.0 m/s 2 which brings the vehicle to a stop. What is the maximum reaction time allowed if the ranger is to avoid hitting the deer? 1.58s 51) A speeder passes a parked police car at 30.0 m/s. The police car starts from rest with a uniform acceleration of 2.44 m/s 2 . a) How much time passes before the speeder is overtaken by the police car? 24.59s b) How far does the speeder get before being overtaken by the police car? 737.7 m THESE PROBLEMS WERE TAKEN FROM PAGES 72 & 73 IN YOUR BOOK
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