A Sled Is on an Icy (Frictionless)slope That Is 30°above

question 68

Multiple Choice

A sled is on an icy (frictionless) slope that is 30°above the horizontal.When a 40-N force, parallel to the incline and directed up the incline, is applied to the sled, the acceleration of the sled is 2.0 m/s², down the incline.The mass of the sled is:

• A)4.1 kg
• B)6.2 kg
• C)8.1 kg
• D)10 kg
• E)14 kg

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Definitions:

NPV

Net Present Value, a method used in capital budgeting to evaluate the profitability of an investment or project.

Beta

A measure of the volatility, or systematic risk, of a security or a portfolio in comparison to the market as a whole, where a beta greater than one indicates higher than market volatility and less than one indicates lower.

Security Market Line

The Security Market Line graphically represents the expected return of assets as a function of their systematic, non-diversifiable risk.

Risk-Adjusted Rate

A rate of return that has been adjusted to take into account the risk or volatility of the investment, providing a more accurate measure of its potential reward.