3 The roller coaster shown below starts from rest at point A. a. Calculate the speed at points B, C, and D. D 10.0 m 30.0 m 6.0 m 5.0 m 3.0 m b. Determine the constant acceleration that is required so that the coaster stops at point E. c. If friction is the only force acting to slow the coaster down, calculate the coefficient of friction required to stop the coaster at point E.
3 The roller coaster shown below starts from rest at point A. a. Calculate the speed at points B, C, and D. D 10.0 m 30.0 m 6.0 m 5.0 m 3.0 m b. Determine the constant acceleration that is required so that the coaster stops at point E. c. If friction is the only force acting to slow the coaster down, calculate the coefficient of friction required to stop the coaster at point E.
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:ANSWERS
1 a. they are all the same; b. car, c. they are all the same; d. car, e. car, f. they are all the
same; g. car
2 a. 37.0kJ; b. 74.1kJ; c. 39.4m;
3 a. VB =
11.7m/s, vc = 8.85m/s, vD =
9.90m/s; b. 1.63m/s²-; c. 0.167;
4 a. 4.85m/s; b. 3.83m/s; c. 26.1cm;
5 a. 12.2J; b. 5.75J ; c. 2.46m/s; d. 2.13i + 1.23j m/s; e. 7.74cm;
Transcribed Image Text:3 The roller coaster shown below starts from rest at point A.
a. Calculate the speed at points B, C, and D.
D
10.0 m
B
30.0 m
6,0 m
5.0 m
3.0 m
b. Determine the constant acceleration that is required so that the coaster stops at point
E.
c. If friction is the only force acting to slow the coaster down, calculate the coefficient of
friction required to stop the coaster at point E.
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