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Direction of Velocity at Various Times in Flight for Projectile Motion Conceptual Question 2 of 4 Review | Constants For each of the motions described below, determine the algebraic sign (positive, negative, or zero) of the x component and y component of velocity of the object at the time specified. For all of the motions, the positive x axis points to the right and the positive y axis points upward. Alex, a mountaineer, must make it across a wide crevasse. Alex runs horizontally off the edge and successfully makes it to the other side of the crevasse, which is below the point from which he takes off, as shown in (Figure 1) Part A Determine the algebraic sign of Alex's x velocity and y velocity at the instant he leaves the ground at the edge of the crevasse. Type the algebraic signs of the x velocity and the y velocity separated by a comma (examples: +- and 0,+). View Available Hint(s) Submit Part B Determine the algebraic signs of Alex's x velocity and y velocity the instant before he safely lands on the other side of the crevasse. Type the algebraic signs of thex velocity and the y velocity separated by a com (examples: , - and 0,+). View Available Hint(s) Figure 1 of 2 Submit At the buzzer, a basketball player shoots a desperation shot. The ball goes in!(Figure 2) Part C Determine the algebraic signs of the ball's x velocity and y velocity the instant after it leaves the player's hands. Type the algebraic signs of thex velocity and the y velocity separated by a comma (examples: +, - and 0,+) View Available Hint(s)

Direction of Velocity at Various Times in Flight for Projectile Motion Conceptual Question 2 of 4 Review | Constants For each of the motions described below, determine the algebraic sign (positive, negative, or zero) of the x component and y component of velocity of the object at the time specified. For all of the motions, the positive x axis points to the right and the positive y axis points upward. Alex, a mountaineer, must make it across a wide crevasse. Alex runs horizontally off the edge and successfully makes it to the other side of the crevasse, which is below the point from which he takes off, as shown in (Figure 1) Part A Determine the algebraic sign of Alex's x velocity and y velocity at the instant he leaves the ground at the edge of the crevasse. Type the algebraic signs of the x velocity and the y velocity separated by a comma (examples: +- and 0,+). View Available Hint(s) Submit Part B Determine the algebraic signs of Alex's x velocity and y velocity the instant before he safely lands on the other side of the crevasse. Type the algebraic signs of thex velocity and the y velocity separated by a com (examples: , - and 0,+). View Available Hint(s) Figure 1 of 2 Submit At the buzzer, a basketball player shoots a desperation shot. The ball goes in!(Figure 2) Part C Determine the algebraic signs of the ball's x velocity and y velocity the instant after it leaves the player's hands. Type the algebraic signs of thex velocity and the y velocity separated by a comma (examples: +, - and 0,+) View Available Hint(s)

Glencoe Physics: Principles and Problems, Student Edition
Glencoe Physics: Principles and Problems, Student Edition
1st Edition
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Paul W. Zitzewitz
Chapter2: Representing Motion
Section2.2: Where And When?
Problem 10SSC
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Direction of Velocity at Various Times in Flight for Projectile Motion Conceptual Question 2 of 4 Review | Constants For each of the motions described below, determine the algebraic sign (positive, negative, or zero) of the x component and y component of velocity of the object at the time specified. For all of the motions, the positive x axis points to the right and the positive y axis points upward. Alex, a mountaineer, must make it across a wide crevasse. Alex runs horizontally off the edge and successfully makes it to the other side of the crevasse, which is below the point from which he takes off, as shown in (Figure 1) Part A Determine the algebraic sign of Alex's x velocity and y velocity at the instant he leaves the ground at the edge of the crevasse. Type the algebraic signs of the x velocity and the y velocity separated by a comma (examples: +- and 0,+). View Available Hint(s) Submit Part B Determine the algebraic signs of Alex's x velocity and y velocity the instant before he safely lands on the other side of the crevasse. Type the algebraic signs of thex velocity and the y velocity separated by a com (examples: , - and 0,+). View Available Hint(s) Figure 1 of 2 Submit At the buzzer, a basketball player shoots a desperation shot. The ball goes in!(Figure 2) Part C Determine the algebraic signs of the ball's x velocity and y velocity the instant after it leaves the player's hands. Type the algebraic signs of thex velocity and the y velocity separated by a comma (examples: +, - and 0,+) View Available Hint(s)
Transcribed Image Text:Direction of Velocity at Various Times in Flight for Projectile Motion Conceptual Question 2 of 4 Review | Constants For each of the motions described below, determine the algebraic sign (positive, negative, or zero) of the x component and y component of velocity of the object at the time specified. For all of the motions, the positive x axis points to the right and the positive y axis points upward. Alex, a mountaineer, must make it across a wide crevasse. Alex runs horizontally off the edge and successfully makes it to the other side of the crevasse, which is below the point from which he takes off, as shown in (Figure 1) Part A Determine the algebraic sign of Alex's x velocity and y velocity at the instant he leaves the ground at the edge of the crevasse. Type the algebraic signs of the x velocity and the y velocity separated by a comma (examples: +- and 0,+). View Available Hint(s) Submit Part B Determine the algebraic signs of Alex's x velocity and y velocity the instant before he safely lands on the other side of the crevasse. Type the algebraic signs of thex velocity and the y velocity separated by a com (examples: , - and 0,+). View Available Hint(s) Figure 1 of 2 Submit At the buzzer, a basketball player shoots a desperation shot. The ball goes in!(Figure 2) Part C Determine the algebraic signs of the ball's x velocity and y velocity the instant after it leaves the player's hands. Type the algebraic signs of thex velocity and the y velocity separated by a comma (examples: +, - and 0,+) View Available Hint(s)
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