a rock is thrown vertically upward from the surface of theearth. The rock rises

Question

a rock is thrown vertically upward from the surface of theearth. The rock rises to its max height and then falls back towardsthe surface of the earth. Which of the following statements is trueif air resistance is neglected? a). as the rock rises, the acceleration vector pointsupward b). the acceleration of the rock is zero when the rock is atits highest point c). the speed of the rock is negative d). The velocity and acceleration of the rock always in thesame direction e). The acceleration vector always points downward a rock is thrown vertically upward from the surface of theearth. The rock rises to its max height and then falls back towardsthe surface of the earth. Which of the following statements is trueif air resistance is neglected? a). as the rock rises, the acceleration vector pointsupward b). the acceleration of the rock is zero when the rock is atits highest point c). the speed of the rock is negative d). The velocity and acceleration of the rock always in thesame direction e). The acceleration vector always points downward

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