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Q: The speed of an object moving in a certain direction is known as which term in scientific terminology?
  • A. velocity
  • B. speed
  • C. acceleration
  • D. time
Correct Answer: Option A - The speed of an object moving in a certain direction is called velocity in scientific terminology. This is a vector quantity, it depends on the displacement. While speed is a scalar quantity, it depends on the distance. The unit of velocity is meter / second.
A. The speed of an object moving in a certain direction is called velocity in scientific terminology. This is a vector quantity, it depends on the displacement. While speed is a scalar quantity, it depends on the distance. The unit of velocity is meter / second.

Explanations:

The speed of an object moving in a certain direction is called velocity in scientific terminology. This is a vector quantity, it depends on the displacement. While speed is a scalar quantity, it depends on the distance. The unit of velocity is meter / second.