A rock is thrown straight up with an initial speed of 24.0 m/s.Neglect air resistance. At t = 3.0 s, what are the directions of the velocity and acceleration of the rock? Is the speed of the rock increasing or decreasing?

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A rock is thrown straight up with an initial speed of 24.0 m/s.
Neglect air resistance. At t = 3.0 s, what are the directions of the velocity
and acceleration of the rock? Is the speed of the rock increasing or
decreasing?

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