Two Identical Disks, with Rotational Inertia I (= 1/2 MR²)

question 58

Multiple Choice

Two identical disks, with rotational inertia I (= 1/2 MR²) , roll without slipping across a horizontal floor and then up inclines.Disk A rolls up its incline without sliding.On the other hand, disk B rolls up a frictionless incline.Otherwise the inclines are identical.Disk A reaches a height 12 cm above the floor before rolling down again.Disk B reaches a height above the floor of:

• A)24 cm
• B)18 cm
• C)12 cm
• D)8 cm
• E)6 cm

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Definitions:

Presentation Means

The methods or techniques used to display or convey information, ideas, or data to an audience.

Finished Goods Account

An account representing the total cost of manufactured goods that are completed and ready for sale.

Fiscal Year

A 12-month cycle utilized for the purposes of financial statements and planning budgets, not necessarily coinciding with the calendar year.

Standard Variances

Differences between planned or standard costs and actual costs in budgeting and accounting, used to monitor and control operational performance.