Trajectory (Quick Question) -- where would it be maximum speed?

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Homework Help Overview

The discussion revolves around the concept of trajectory in physics, specifically focusing on the point of maximum speed along a projectile's path. The original poster presents a visual representation of a trajectory and questions where the maximum speed occurs, indicating some uncertainty about the principles involved.

Discussion Character

  • Exploratory, Assumption checking

Approaches and Questions Raised

  • The original poster attempts to reason that maximum speed occurs at a point between the initial position and the peak of the trajectory, while questioning their understanding of the motion involved. Some participants challenge this reasoning by referencing concepts such as energy conservation and acceleration at different points along the trajectory.

Discussion Status

The discussion includes various interpretations of the projectile motion principles, with some participants providing critical feedback on the original poster's assumptions. There is an indication that the original poster has found clarity on their own by the end of the thread.

Contextual Notes

Participants note the lack of initial context regarding energy conservation and relevant equations, which may have influenced the original poster's understanding of the problem.

oldspice1212
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Warning: Posting template must be used in homework sections.
http://puu.sh/dc1YU/fa1e0f3a6e.png

Hey so if we have a trajectory like this, where would it be maximum speed?

From what I understand, at the midpoint, v = 0 right? So would the maximum speed be in between the bottom (initial) and the centre of the trajectory (peak), represented by B in this photo.

I haven't done questions related to these in a while so I was just curious to know if I remember this or not.

Thanks :)
 
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Use the template and check with the relevant equations under 2.
 
Too useful
 
What do you expect ? You give no clue you know about energy conservation, projectile trajectory equations, or anything else related.

At C, the thing is clearly moving to the right, so: No, v is not 0.
If the speed would be at a maximum at B, that would mean acceleration 0 at that point. There is no argument for that, so: No, it's not in between.

You're welcome.
 
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Likes   Reactions: oldspice1212
Hey, sorry about that, it was just a random question I found haha. I figured it out though, thanks :)
 

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