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27 September, 04:52

An airplane is flying at 635 km per hour at an altitude of 35,000 m. What is its velocity?

A) 635 km/h

B) 16 m/min

C) 35 000 m/s

D) This cannot be determined without further information about its direction.

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Answers (1)
  1. 27 September, 05:16
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    A velocity of an object is a vector quantity which means that it is concerned on both the magnitude and the direction. From the given, the magnitude is 635 km/hr but the direction is not given. Therefore, the velocity cannot be determined without the direction. The answer is letter D.
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