College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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A projectile is fired from the origin (at y = 0 m) as shown in the figure. The initial velocity components are V0x = 280 m/s and V0y = 44 m/s. The projectile reaches maximum height at point P, then it falls and strikes the ground at point Q. In the figure, the y-component of the acceleration of the shell at point P is closest to:
| +5 m/s2 |
| -5 m/s2 |
| +10 m/s2 |
| -10 m/s2 |
| zero |
Transcribed Image Text:The image provided is a diagram illustrating projectile motion. Here is a detailed transcription suitable for an educational website:
### Projectile Motion Diagram
The given diagram represents a scenario of projectile motion where an object is projected from an elevated position.
- **Initial Height**: The object is projected from a height of 20 meters above the ground.
- **Projection Angle**: The object is launched at an angle of 30 degrees to the horizontal.
- **Path**: The dashed curve represents the trajectory of the object, following a parabolic path owing to the influence of gravity.
- **Key Points**:
- **P**: The point from which the object is projected.
- **Q**: The point where the object lands on the ground.
- **Horizontal Distance**: The distance covered horizontally from the base of the projection point to the landing point Q is labeled as 'x'.
This diagram is essential for understanding the components of projectile motion including initial velocity, angle of projection, and the effects of gravity on the trajectory of the projectile. Students can use this information to calculate various parameters like range, time of flight, and the maximum height of the projectile.
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