At some instant, a trolley on a straight track has a velocity of -4 m/s and an acceleration of +2 m/s². What is it doing at that instant?

PhysicsEasyHigh School (11–12)Mechanics › Motion in a Straight Line

At some instant, a trolley on a straight track has a velocity of $-4\ \text{m/s}$ and an acceleration of $+2\ \text{m/s}^2$ . What is it doing at that instant?

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