2. In an auto accident, a car hit a pedestrian and the driver then slammed on the brakes to stop the car. During the subsequent trial, the driver's lawyer claimed that he was obeying the posted speed limit 60.0-kph, but that the legal speed was too high to allow him to see and react to the pedestrian in time. You have been called in as the state's expert witness. Your investigation of the accident found that the skid marks made while the brakes were applied were 86.0 m long, and the tread on the tires produced a coefficient of kinetic friction of 0.30 with the road. a. In your testimony in court, will you say that the driver was obeying the posted speed? You must be able to back up your conclusion with clear reasoning because one of the lawyers will surely cross-examine you. b. If the driver's speeding ticket were 200 pesos for each kilometer per hour he was driving above the posted speed limit, would he have to pay a fine? If so, how much would it be?

University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter1: Units And Measurement
Section: Chapter Questions
Problem 32P: A car is traveling at a speed of 33 m/s. (a) What is its speed in kilometers per hour? (b) Is it...
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2. In an auto accident, a car hit a pedestrian and the driver then slammed on the brakes to stop
the car. During the subsequent trial, the driver's lawyer claimed that he was obeying the posted
speed limit 60.0-kph, but that the legal speed was too high to allow him to see and react to the
pedestrian in time. You have been called in as the state's expert witness. Your investigation of
the accident found that the skid marks made while the brakes were applied were 86.0 m long,
and the tread on the tires produced a coefficient of kinetic friction of 0.30 with the road.
a. In your testimony in court, will you say that the driver was obeying the posted speed? You
must be able to back up your conclusion with clear reasoning because one of the lawyers
will surely cross-examine you.
b. If the driver's speeding ticket were 200 pesos for each kilometer per hour he was driving
above the posted speed limit, would he have to pay a fine? If so, how much would it be?
Transcribed Image Text:2. In an auto accident, a car hit a pedestrian and the driver then slammed on the brakes to stop the car. During the subsequent trial, the driver's lawyer claimed that he was obeying the posted speed limit 60.0-kph, but that the legal speed was too high to allow him to see and react to the pedestrian in time. You have been called in as the state's expert witness. Your investigation of the accident found that the skid marks made while the brakes were applied were 86.0 m long, and the tread on the tires produced a coefficient of kinetic friction of 0.30 with the road. a. In your testimony in court, will you say that the driver was obeying the posted speed? You must be able to back up your conclusion with clear reasoning because one of the lawyers will surely cross-examine you. b. If the driver's speeding ticket were 200 pesos for each kilometer per hour he was driving above the posted speed limit, would he have to pay a fine? If so, how much would it be?
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