A Roller Coaster Starts from Rest at a Height H

question 122

Multiple Choice

A roller coaster starts from rest at a height h at the left side of a loop-the-loop, as shown in the figure. It is not attached to the track in anyway, and there is no friction from the track or from air resistance. If the radius of the loop is R = 6.0 m, what is the minimum height h for which the roller coaster will not fall off the track at the top of the loop?

• A)21 m
• B)18 m
• C)15 m
• D)12 m
• E)8.5 m

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Definitions:

Work in Process Account

An account that tracks the costs associated with goods that are in the process of being manufactured but are not yet complete.

Manufacturing Overhead Cost

Indirect costs related to manufacturing that cannot be directly tied to a specific product, including costs of managing the factory and maintenance.

Conversion Cost

Direct labor cost plus manufacturing overhead cost.

Cost Reconciliation Report

A financial report used to compare and reconcile the estimated costs to the actual costs incurred for a specific project or during a particular period.