following statements is true in this case? A The vertical component of the velocity changes sign after the ball attains its maximum height. B The horizontal component of the velocity changes sign after the ball attains its maximum height. The vertical component of the velocity remains constant. The horizontal component of the velocity changes.

Glencoe Physics: Principles and Problems, Student Edition
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ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Paul W. Zitzewitz
Chapter6: Motion In Two Dimensions
Section: Chapter Questions
Problem 41A
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Juleon Calix throws a projectile with a velocity of 40 m/s at an angle of 20 deg above the horizontal. Which of the
following statements is true in this case?
A The vertical component of the velocity changes sign after the ball attains its maximum height.
B The horizontal component of the velocity changes sign after the ball attains its maximum height.
The vertical component of the velocity remains constant.
D The horizontal component of the velocity changes.
Transcribed Image Text:Juleon Calix throws a projectile with a velocity of 40 m/s at an angle of 20 deg above the horizontal. Which of the following statements is true in this case? A The vertical component of the velocity changes sign after the ball attains its maximum height. B The horizontal component of the velocity changes sign after the ball attains its maximum height. The vertical component of the velocity remains constant. D The horizontal component of the velocity changes.
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