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

Physics for Scientists and Engineers, Technology Update (No access codes included)

9th Edition

ISBN:9781305116399

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter5: The Laws Of Motion

Section: Chapter Questions

Problem 5.96CP: A time-dependent force, F = (8.00i - 4.00/j), where F is in newtons and t is in seconds, is exerted...

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Question

Please show all steps and work thank you.

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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