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The diagram shows the first two hills of a frictionless roller coaster. Now let's combine the ideas of energy, forces, and circular motion for the next few questions. a) What is the maximum starting height, h, so that the rollercoaster does not leave the track at the top of the circular hill? Hint: It is not 10 hi =? hz - 10 m m! and when the car is about to leave the track Fn = 0. b) Real, safe, roller coasters are attached to the track. Explain why a coaster like the one above, with a starting height of 14 m would make you feel "weightless" at the top of the 10 m circular hill. c) Use the terms "“normal force" and “apparent weight" and "critical speed" to explain why the experience going over h2 on a roller coaster like the one above, but with h1 = 11 m would not be very thrilling.

The diagram shows the first two hills of a frictionless roller coaster. Now let's combine the ideas of energy, forces, and circular motion for the next few questions. a) What is the maximum starting height, h, so that the rollercoaster does not leave the track at the top of the circular hill? Hint: It is not 10 hi =? hz - 10 m m! and when the car is about to leave the track Fn = 0. b) Real, safe, roller coasters are attached to the track. Explain why a coaster like the one above, with a starting height of 14 m would make you feel "weightless" at the top of the 10 m circular hill. c) Use the terms "“normal force" and “apparent weight" and "critical speed" to explain why the experience going over h2 on a roller coaster like the one above, but with h1 = 11 m would not be very thrilling.

College Physics
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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The diagram shows the first two hills of a frictionless roller coaster. Now let's combine the ideas of energy, forces, and circular motion for the next few questions. a) What is the maximum starting height, h, so hi = ? h2 = 10 m that the rollercoaster does not leave the track at the top of the circular hill? Hint: It is not 10 m! and when the car is about to leave the track Fn = 0. b) Real, safe, roller coasters are attached to the track. Explain why a coaster like the one above, with a starting height of 14 m would make you feel "weightless" at the top of the 10 m circular hill. c) Use the terms “normal force" and "apparent weight" and "critical speed" to explain why the experience going over h2 on a roller coaster like the one above, but with h1 = 11 m would not be very thrilling.
Transcribed Image Text:The diagram shows the first two hills of a frictionless roller coaster. Now let's combine the ideas of energy, forces, and circular motion for the next few questions. a) What is the maximum starting height, h, so hi = ? h2 = 10 m that the rollercoaster does not leave the track at the top of the circular hill? Hint: It is not 10 m! and when the car is about to leave the track Fn = 0. b) Real, safe, roller coasters are attached to the track. Explain why a coaster like the one above, with a starting height of 14 m would make you feel "weightless" at the top of the 10 m circular hill. c) Use the terms “normal force" and "apparent weight" and "critical speed" to explain why the experience going over h2 on a roller coaster like the one above, but with h1 = 11 m would not be very thrilling.
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