A roller coaster (411 kg) moves from A (5.64 m above the ground) to B (25.4 m above the ground). Two non-conservative forces are present: friction does -2.38 x 104 J of work on the car, and a chain mechanism does +5.56 x 104 J of work to help the car up a long climb. What is the change in the car's kinetic energy KE₁ - KE from A to B? Number i Save for Later Units Attempts: 0 of 1 used Submit Answer

A roller coaster (411 kg) moves from A (5.64 m above the ground) to B (25.4 m above the ground). Two non-conservative forces are present: friction does -2.38 x 104 J of work on the car, and a chain mechanism does +5.56 x 104 J of work to help the car up a long climb. What is the change in the car's kinetic energy KE₁ - KE from A to B? Number i Save for Later Units Attempts: 0 of 1 used Submit Answer

Name: A roller coaster (411 kg) moves from A (5.64 m above the ground) to B
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Description: A roller coaster (411 kg) moves from A (5.64 m above the ground) to B (25.4 m above the ground). Two non-conservative forces arepresent: friction does -2.38 x 104 J of work on the car, and a chain mechanism does +5.56 x 104 J of work to help the car

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter8: Conservation Of Energy

Section: Chapter Questions

Problem 55PQ: A particle moves in one dimension under the action of a conservative force. The potential energy of...

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