( True, False) If the displacement of a particle is decreasing at a constant rat

Question

( True, False) If the displacement of a particle is decreasing at a constant rate its velocity is constant.

( True, False)  Knowing the position and velocity of a particle allows its future position to be predicted even if its acceleration is unknown.
( True, False)  Average acceleration and instantaneous acceleration are always the same.
( True, False)  Instantaneous velocity is the derivative of the displacement time function.
( True, False)  The slope of the velocity time graph is the instantaneous acceleration.

Explanation / Answer

( True) If the displacement of a particle is decreasing at a constant rate its velocity is constant.

( False)  Knowing the position and velocity of a particle allows its future position to be predicted even if its acceleration is unknown.
( False)  Average acceleration and instantaneous acceleration are always the same.
( True)  Instantaneous velocity is the derivative of the displacement time function.
( True)  The slope of the velocity time graph is the instantaneous acceleration.

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