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.
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.
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter3: Motion In Two Dimensions
Section: Chapter Questions
Problem 19P: A student stands at the edge of a cliff and throws a stone horizontally over the edge with a speed...
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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.
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