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A roller coaster of mass m rolls down a track with minimal friction. The starting height h1 is 55 m. The coaster starts from rest and is stopped at the end of the ride using a spring with a spring constant k = 7500 N/m. Sprine ONSTANT, K `CoMpRession is ay a) How fast is the coaster traveling just before it enters the loop? m/s b) How fast is the coaster traveling in miles/hr? There are 1.6 km in a mile. mile/h c) How high is the top of the loop (h2) if the coaster travels at 18 m/s at the very top of the loop?

A roller coaster of mass m rolls down a track with minimal friction. The starting height h1 is 55 m. The coaster starts from rest and is stopped at the end of the ride using a spring with a spring constant k = 7500 N/m. Sprine ONSTANT, K `CoMpRession is ay a) How fast is the coaster traveling just before it enters the loop? m/s b) How fast is the coaster traveling in miles/hr? There are 1.6 km in a mile. mile/h c) How high is the top of the loop (h2) if the coaster travels at 18 m/s at the very top of the loop?

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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A roller coaster of mass m rolls down a track with minimal friction. The starting height h1 is 55 m. The coaster starts from rest and is stopped at the end of the ride using a spring with a spring constant k = 7500 N/m. SpriNG ONSTANT, K COMpRessioN is a a) How fast is the coaster traveling just before it enters the loop? m/s b) How fast is the coaster traveling in miles/hr? There are 1.6 km in a mile. mile/h c) How high is the top of the loop (h2) if the coaster travels at m/s at the very top of the loop? d) What is the mass of the coaster if the spring takes 3.5 m to stop the car at the end of the ride? kg e) How long would it take a motor and chain to bring the coaster car to the top of the first hill if the motor can supply 1250 watts of power? Check
Transcribed Image Text:A roller coaster of mass m rolls down a track with minimal friction. The starting height h1 is 55 m. The coaster starts from rest and is stopped at the end of the ride using a spring with a spring constant k = 7500 N/m. SpriNG ONSTANT, K COMpRessioN is a a) How fast is the coaster traveling just before it enters the loop? m/s b) How fast is the coaster traveling in miles/hr? There are 1.6 km in a mile. mile/h c) How high is the top of the loop (h2) if the coaster travels at m/s at the very top of the loop? d) What is the mass of the coaster if the spring takes 3.5 m to stop the car at the end of the ride? kg e) How long would it take a motor and chain to bring the coaster car to the top of the first hill if the motor can supply 1250 watts of power? Check
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