An Airplane Moves at 120 M/sec to the West with Respect

question 47

Multiple Choice

An airplane moves at 120 m/sec to the west with respect to the air.The air moves at 50 m/sec to the south with respect to the ground.How fast does the airplane move with respect to the ground?

• A)70 m/s
• B)120 m/s
• C)130 m/s
• D)170 m/s

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