Question 18. A train slows down as it rounds a sharp horizontal turn slowing from 90 km/h to 50 km/h in the 15 s that it takes to round the bend. The radius of the curve is 150 m. What is the magnitude of the total acceleration at the moment the train speed reaches 50 km/h? A. a= 2.56 m/s² B. a= 1.48 m/s² C. a= 0.23 m/s² D. a= 3.76 m/s²
Question 18. A train slows down as it rounds a sharp horizontal turn slowing from 90 km/h to 50 km/h in the 15 s that it takes to round the bend. The radius of the curve is 150 m. What is the magnitude of the total acceleration at the moment the train speed reaches 50 km/h? A. a= 2.56 m/s² B. a= 1.48 m/s² C. a= 0.23 m/s² D. a= 3.76 m/s²
College Physics
10th Edition
ISBN:9781285737027
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter7: Rotational Motion And The Law Of Gravity
Section: Chapter Questions
Problem 15P: A car initially traveling eastward turns north by traveling in a circular path at uniform speed as...
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