A rock is thrown from the upper edge of a tall cliff at some angle above the horizontal. It reaches its highest point and starts falling down. Which of the following statements about the rock's motion are true just before it hits the ground? Its horizontal velocity component is zero. O Its horizontal velocity component is the same as it was just as it was launched. O Its speed is the same as it was just as it was launched. O Its velocity is vertical. O Its vertical velocity component is the same as it was just was it was launched.

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Chapter1: Units, Trigonometry. And Vectors
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Multiple choice.
A rock is thrown from the upper edge of a tall cliff at some angle above the horizontal. It reaches its
highest point and starts falling down. Which of the following statements about the rock's motion are
true just before it hits the ground?
O Its horizontal velocity component is zero.
O Its horizontal velocity component is the same as it was just as it was launched.
O Its speed is the same as it was just as it was launched.
O Its velocity is vertical.
DEFUNCH
O Its vertical velocity component is the same as it was just was it was launched.
Transcribed Image Text:e 03a X + izzes/497787/take Multiple choice. A rock is thrown from the upper edge of a tall cliff at some angle above the horizontal. It reaches its highest point and starts falling down. Which of the following statements about the rock's motion are true just before it hits the ground? O Its horizontal velocity component is zero. O Its horizontal velocity component is the same as it was just as it was launched. O Its speed is the same as it was just as it was launched. O Its velocity is vertical. DEFUNCH O Its vertical velocity component is the same as it was just was it was launched.
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