(Solved by Humans)-A piece of chalk is thrown vertically upward and caught during
Question
A piece of chalk is thrown vertically upward and caught during its?descent at the same height from which it was thrown. Position is?measured from the location of the chalk when it left the hand. The?positive direction for position, velocity, and acceleration is upward
What are the signs of the position, velocity, and accelerationduring the descending part of the trajectory?
POSITION VELOCITY ACCELERATION
(A) Positive Positive Positive
(B) Positive Positive Negative
(C) Positive Negative Negative
(D) Negative Positive Negative
(E) Negative Negative Negative
why is the answer c?
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