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The problem involves the vertical velocity components of a projectile (human cannonball), represented by points labeled A to E in a parabolic motion diagram. The task is to rank the vertical velocity components from most positive to most negative.

Here’s the key concept:
- **At launch (A)**, the vertical velocity is positive.
- **At the peak of the trajectory (C)**, the vertical velocity is zero.
- **After the peak (D and E)**, the vertical velocity becomes negative because the object is falling.
  
Therefore, the correct ranking of the vertical velocity components (most positive to most negative) is:

1. **A** (most positive)
2. **B** (positive, but less than A)
3. **C** (zero at the peak)
4. **D** (negative, but less negative than E)
5. **E** (most negative)

This should help with selecting the correct answer. Do you want more details or explanations on any aspect?

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Here are 5 related questions you might find useful:
1. What is the horizontal velocity throughout the motion of the projectile?
2. How does the acceleration affect the velocity during projectile motion?
3. What are the key characteristics of the motion at the highest point of a projectile’s trajectory?
4. How does gravity influence the vertical velocity at different points in the trajectory?
5. Why is the horizontal component of the velocity constant in projectile motion?

**Tip**: The acceleration due to gravity is always acting downward, so it continuously decreases the vertical velocity on the way up and increases it negatively on the way down.

Rank the vertical velocity components of a projectile from most positive to most negative at points A to E, where the human cannonball has a positive initial velocity along the x- and y-axis.

Learn how to rank vertical velocity components in a projectile's motion from launch to the highest point and back down, covering key kinematic concepts. This problem is perfect for high school physics students.

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