Quiz Ch 2 Kinematics 2

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City Colleges of Chicago, Harold Washington College *

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221

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Mechanical Engineering

Date

Apr 3, 2024

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pdf

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1

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Quiz Ch 2: Kinematic Equations of Motion Name__________________________________ Total: 14 points (To receive full points, you must show all your work and calculations, submit your pdf or images to the folder on Brightspace under assignments titled Quiz Kinematic Equations of motion) Scenario 1: ( 6 points) Assume that you are driving in Chicago at a constant 37 mph in a 30-mph zone. Your phone rings and look over to see who is calling you, you look away for about 0.9 seconds. What is your total displacement during this time? (Don’t forget to convert to standard units) Scenario 2: ( 8 points) You are driving at the same velocity at 37 mph when a duck jumps in the road in front of you and it is 25 meters away. If your able to accelerate at a constant a = -5 m/s 2 . How long does it take you to come to a complete stop? How far are you able to travel before you come to a complete stop? (Make sure to convert to standard units), Are you able to stop in time? Lupita V 16.5m S 37 0.447 16.5 MIS 0.9s Δ X a o DX Vit 1 29 2 DX 16.510.9 1 210 10.912 DX 14.85m V 16.5M S Vp Vitat a 5m15 0 16.5 1 5 t Δ X 25 0 16.5 5 1 216.513.3 Vp O 16.5 16.5 5 3.3s
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