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Q: The motion of an object in a specified direction is called.
  • A. speed
  • B. displacement
  • C. velocity
  • D. speed
Correct Answer: Option C - When an object travels the distance in a certain direction in unit time, it is called velocity of that object. Velocity is a vector quantity whose unit is m / s.
C. When an object travels the distance in a certain direction in unit time, it is called velocity of that object. Velocity is a vector quantity whose unit is m / s.

Explanations:

When an object travels the distance in a certain direction in unit time, it is called velocity of that object. Velocity is a vector quantity whose unit is m / s.