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

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Chapter1: Units, Trigonometry. And Vectors
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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
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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