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Q: When an object reaches its top when thrown upwards, its-
  • A. The velocity is zero, and its acceleration is zero.
  • B. The velocity is zero, and its acceleration is about 10 m / s2.
  • C. The velocity is 10 m/s and its acceleration is zero.
  • D. The velocity is 10 m / s and its acceleration is about 10 m / s.
Correct Answer: Option B - When an object reaches at the top when thrown upwards, its velocity is zero and its acceleration is about 10 m/s². Velocity is a vector quantity. The velocity of an object can vary in different directions. The rate of displacement of an object is called velocity. The SI unit of velocity is m / s.
B. When an object reaches at the top when thrown upwards, its velocity is zero and its acceleration is about 10 m/s². Velocity is a vector quantity. The velocity of an object can vary in different directions. The rate of displacement of an object is called velocity. The SI unit of velocity is m / s.

Explanations:

When an object reaches at the top when thrown upwards, its velocity is zero and its acceleration is about 10 m/s². Velocity is a vector quantity. The velocity of an object can vary in different directions. The rate of displacement of an object is called velocity. The SI unit of velocity is m / s.