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Railways PYQCBT 1 2016

RRB NTPC · Question 45

Velocity of a car does not depend on A. Speedometer B. Change in direction C. Change in speed D. Change in acceleration

  1. A

  2. D

  3. B

  4. C

Show answer & explanation

Answer: (A) A

Explanation

Velocity is speed in a given direction, so it changes when speed or direction changes (that is, when there is acceleration). A speedometer only displays speed; the car's velocity does not depend on the instrument.