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N Netflix x- e Chegg Study l Guided Solu × .. e Chegg Study l Guided Sol x-e Calculus 3 Lecture 1 1 XEj WileyPLUS xG 13 em to m - Google Searc x Ahmad > c Secure l https://edugen.wileyplus.com/edugen/student/mainfr.uni Yelp »Other Bookmarks i Help ps WileyPLUS Differential calculus. LA University of South D Apple iCloud Yahoo Bing w Wikipedia R Facebook Twitter-LinkedIn D The weather Channel WileyPLUS Halliday, Fundamentals of Physics, 10e Calculus-based Physics I ⅈ (PH 201-202) Home Read, Study & Practice Gradebook ORION Downloadable eTextbook Assianment> Open Assignment FULL SCREEN PRINTER VERSION BACK ASSIGNMENT RESOURCES Chapter 02, Problem 030 201-3 026 Your answer is partially correct. Try again. a Chaater 02 Problemcar The brakes on your automobile are capable of creating a deceleration of 4.6 m/s2. If you are going 136 km/h and suddenly see a state trooper, what is the minimum time in which you can get your car under the 100 km/h speed limit? (The answer reveals the futility of braking to keep your high speed from being detected with a radar or laser gun.) 100 Unit 7.8 066 the tolerance is +/-2% Review Score Review Results by Study SHOW HIN LINK TO TEXT MINI-LECTURE TH HELP TH HELP TH HELP Question Attempts: 1 of 3 used SAVE FOR LATER SUBMIT ANSWER Version 4.24.1.20 https:/ledugen wlcyplus.com/edugen/shared/assignment/tost/og istuni?id-asnmt204101Explanation / Answer
a = acceleration = - 4.6 m/s2
Vi = initial velocity = 136 km/h = 37.8 m/s
Vf = final velocity = 100 km/h = 27.8 m/s
t = time taken = ?
using the kinematics equation
Vf = Vi + at
27.8 = 37.8 + (- 4.6) t
t = 2.2 sec
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