An Airplane Is Traveling at 150 M/s in Level Flight

question 59

Multiple Choice

An airplane is traveling at 150 m/s in level flight.If the airplane is to make a change in direction,it must travel in a horizontal curved path.To fly in the curved path,the pilot banks the airplane at an angle such that the lift has a horizontal component that provides the horizontal centripetal acceleration to move in a horizontal circular path.If the airplane is banked at an angle of 12.0 degrees,then the radius of curvature of the curved path of the airplane is

• A) 10.8 km.
• B) 8.74 km.
• C) 8.00 km.
• D) 7.33 km.
• E) 6.90 km.

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Definitions:

Effectiveness Lag

The delay between the time a policy measure is implemented and the time the measure has its intended effect on the economy.

Activity Lag

The delay between the time a particular economic policy is enacted and the time when its full effects are observed in the economy.

Passive Policy

An economic policy approach that involves minimal intervention by the government in the economy, allowing market forces to operate without active guidance or stimulus.

Short-run Aggregate Supply

The total production of goods and services in an economy at various price levels in a short-term period, before all production factors can be varied.