A Landing Airplane Makes Contact with the Runway with a Speed

question 45

Multiple Choice

A landing airplane makes contact with the runway with a speed of 75.0 m/s and moves toward the south. After 18.5 seconds, the airplane comes to rest. What is the average acceleration of the airplane during the landing?

• A)2.11 m/s², north
• B)2.11 m/s², south
• C)4.05 m/s², north
• D)4.05 m/s², south
• E)14.3 m/s², north

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Definitions:

Multifactor APT

A model that describes the returns of an asset as dependent on various macroeconomic or market factors, extending the Arbitrage Pricing Theory (APT).

Macro Factors

Economic, social, political, and environmental variables that affect the performance of the global and regional economy.

Risk Premiums

Additional returns expected by investors for taking on higher risk compared to a risk-free asset, to compensate for the increased uncertainty.

Multifactor Model

A financial model that evaluates securities by considering multiple economic and financial factors to explain market phenomena and/or rates of return.