Many roller coasters have loops where carts roll on a track that curves sharply up into the air. At the top, the people are upside down (and usually screaming). For safety reasons, many of these roller coasters must have a minimum speed at the top of the loop. In the roller coaster shown, the cart must have a minimum speed of 10.0 m/s at the top of the loop to make it around safely a) Assuming the roller coaster starts from rest at the top of the first hill and there is no friction on the

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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Many roller coasters have loops where carts roll on a track that curves sharply up into the air. At the top, the people are upside down (and usually screaming). For safety reasons, many of these roller coasters must have a minimum speed at the top of the loop. In the roller coaster shown, the cart must have a minimum speed of 10.0 m/s at the top of the loop to make it around safely

a) Assuming the roller coaster starts from rest at the top of the first hill and there is no friction on the roller coaster, what is the minimum height of the first hill?

b) What power must be generated to bring a train of cars with a mass of 4560 kg to the top of the hill in 20.0 s? 

16 m
ground level
Transcribed Image Text:16 m ground level
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