A projectile is fired at time t = 0.0 s, from point 0 at the edge of a cliff, with initial velocity components of vox = 50 m/s and voy = 800 m/s. The projectile rises, then falls into the sea at point P. The time of flight of the projectile is 200 s. In the figure, the x-coordinate of the projectile when its y-component of velocity equals 640 m/s upward is closest to: 860 m 780 m 820 m 700 m 740 m
A projectile is fired at time t = 0.0 s, from point 0 at the edge of a cliff, with initial velocity components of vox = 50 m/s and voy = 800 m/s. The projectile rises, then falls into the sea at point P. The time of flight of the projectile is 200 s. In the figure, the x-coordinate of the projectile when its y-component of velocity equals 640 m/s upward is closest to: 860 m 780 m 820 m 700 m 740 m
Glencoe Physics: Principles and Problems, Student Edition
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ISBN:9780078807213
Author:Paul W. Zitzewitz
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Chapter6: Motion In Two Dimensions
Section: Chapter Questions
Problem 90A
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A projectile is fired at time t = 0.0 s, from point 0 at the edge of a cliff, with initial velocity components of vox = 50 m/s and voy = 800 m/s. The projectile rises, then falls into the sea at point P. The time of flight of the projectile is 200 s.
In the figure, the x-coordinate of the projectile when its y-component of velocity equals 640 m/s upward is closest to:
860 m |
780 m |
820 m |
700 m |
740 m |

Transcribed Image Text:### Parabolic Projectile Motion Representation
The given image is a graphical representation of the parabolic motion of a projectile launched from point \( O \). In this illustration:
- **Axes:**
- The horizontal axis (x-axis) represents the horizontal distance traveled by the projectile.
- The vertical axis (y-axis) represents the height of the projectile above the origin.
- **Initial Velocity (\( V_0 \)):**
- The projectile is launched from the point \( O \) at an angle, with an initial velocity denoted as \( V_0 \). The angular direction of the initial velocity is inclined above the horizontal axis.
- **Trajectory Path:**
- The curve represents the parabolic trajectory the projectile follows under the influence of gravity.
- As the projectile is thrown, it initially rises to a certain height and then descends along the parabolic path.
- **Landing Point:**
- The projectile lands at point \( P \) after traversing a horizontal distance denoted as \( D \).
The diagram effectively visualizes the classical mechanics principles governing projectile motion, demonstrating the effect of gravitational force causing the parabolic path.
This illustration can be used to explain various physical concepts, like resolving the components of initial velocity, calculating the range of the projectile, time of flight, and the maximum height reached, using the equations of motion in mechanics.
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