A 1200 kg roller coaster cart is initially at rest at the top of the track at a height of 20 m above ground. (a) What is the speed of the roller coaster when it reached ground level? (assume no friction in this part of the track). (b) The roller coaster now continues to move horizontally. Find the distance the roller coaster will travel before arriving at a complete stop, if the coefficient of friction between the coaster and the track is 0.3.
A 1200 kg roller coaster cart is initially at rest at the top of the track at a height of 20 m above ground. (a) What is the speed of the roller coaster when it reached ground level? (assume no friction in this part of the track). (b) The roller coaster now continues to move horizontally. Find the distance the roller coaster will travel before arriving at a complete stop, if the coefficient of friction between the coaster and the track is 0.3.
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter7: Conservation Of Energy
Section: Chapter Questions
Problem 64P
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(1) A 1200 kg roller coaster cart is initially at rest at the top of the track at a height of 20 m above ground. (a) What is the speed of the roller coaster when it reached ground level? (assume no friction in this part of the track). (b) The roller coaster now continues to move horizontally. Find the distance the roller coaster will travel before arriving at a complete stop, if the coefficient of friction between the coaster and the track is 0.3.
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