1. A 4768-kg roller coaster train full of riders approaches the loading dock at a speed of 17.1 m/s. It is abruptly decelerated to a speed of 2.2 m/s over a distance of 13.6 m. Determine the retarding force that acts upon the roller coaster cars. KE₁ + PE₁ KE₁ W Vexternal PE₁
1. A 4768-kg roller coaster train full of riders approaches the loading dock at a speed of 17.1 m/s. It is abruptly decelerated to a speed of 2.2 m/s over a distance of 13.6 m. Determine the retarding force that acts upon the roller coaster cars. KE₁ + PE₁ KE₁ W Vexternal PE₁
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Transcribed Image Text:1. A 4768-kg roller coaster train full of riders approaches the loading dock at a speed of
17.1 m/s. It is abruptly decelerated to a speed of 2.2 m/s over a distance of 13.6 m.
Determine the retarding force that acts upon the roller coaster cars.
PE;
KE;
+
+
W₂
external
=
KE
+
PE
Expert Solution
Step 1 GIVEN
Mass, m = 4768 kg
Speed, v = 17.1 m/s
Speed, V = 2.2 m/s
Distance, d = 13.6 m
Regarding force, F = ?
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