An Airplane Is Flying North at 500 Km/h

question 35

Multiple Choice

An airplane is flying north at 500 km/h.It makes a gradual 180° turn at constant speed, changing its direction of travel from north through east to south.The process takes 40 s.The average acceleration of the plane for this turn is:

• A)12.5 km/h°s, north
• B)12.5 km/h°s, east
• C)12.5 km/h°s, south
• D)25 km/h°s, north
• E)25 km/h°s, south

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