A Spherically Symmetric Object with Mass M = 0 $\circ$ with the Horizon and Comes to Rest at a and Radius

question 68

Multiple Choice

A spherically symmetric object with mass m = 0.2 kg and radius r = 10 cm,rolls without slipping on a horizontal surface with speed 1 m/s.It then rolls up an incline that is at an angle 30 ^$\circ$ with the horizon and comes to rest at a distance of 0.6 m along the incline.What is the moment of inertia of the object about an axis through the center of mass?

• A)1.0 \(\times\) 10^-4 kg · m²/s
• B)2.0 \(\times\) 10^-3 kg · m²/s
• C)9.8 \(\times\) 10^-3 kg · m²/s
• D)1.2 \(\times\) 10^-2 kg · m²/s
• E)8.0 \(\times\) 10^-4 kg · m²/s

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Definitions:

Salvage Value

The anticipated salvage value of an asset at the termination of its service life.

Annual Cash Flows

The total amount of money being transferred into and out of a business, especially affecting liquidity, within a year.

Opportunity Cost

The cost of opting for one choice over another, essentially the benefits you could have received by taking an alternative action.

Internal Rate Of Return

The internal rate of return is a financial metric used to evaluate the profitability of investments, calculating the discount rate that makes the net present value of cash flows from an investment equal to zero.