An Object of Mass M = 100 G Slides Down $\theta$

question 54

Multiple Choice

An object of mass m = 100 g slides down without rolling a rough incline from a height H = 60.0 cm. At h = 30.0 cm, the object flies off the incline. The coefficient of kinetic friction is 0.400, and the angle $\theta$ = 30.0 $\degree$ . What is the speed of the object just after it leaves the ramp?

• A) 2.40 m/s
• B) 1.34 m/s
• C) 0.67 m/s
• D) 0.54 m/s
• E) 1.16 m/s

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Definitions:

After-Tax Discount Rate

The rate used to discount future cash flows of an investment after taxes have been accounted for, reflecting the investor's required rate of return net of taxes.

Working Capital

The difference between a company's current assets and current liabilities, indicating the short-term liquidity.

Straight-Line Depreciation

This method evenly allocates the cost of an asset over its useful life.

After-Tax Discount Rate

The discount rate used in capital budgeting that accounts for taxes, representing the net cost of capital after tax considerations.