Distance traveled when decreasing velocity

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Homework Help Overview

The discussion revolves around a physics problem related to motion, specifically focusing on distance traveled when velocity is decreasing. The context includes a scenario involving an amusement park ride and the analysis of height at various time intervals.

Discussion Character

  • Exploratory, Assumption checking, Conceptual clarification

Approaches and Questions Raised

  • Participants express uncertainty about relevant equations and concepts, with some suggesting the review of class materials. There are inquiries about the nature of constant acceleration problems and the need for foundational understanding in physics.

Discussion Status

Several participants have offered suggestions for resources, including Khan Academy and specific equations like the SUVAT equations, indicating a productive direction in seeking foundational knowledge. However, there remains a lack of consensus on the specific equations or methods to apply to the problem.

Contextual Notes

Some participants mention a significant gap in their physics knowledge, with one noting a five-year absence from the subject. This context suggests a need for basic review and understanding of kinematics and motion equations.

brslagle
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Homework Statement
An amusement park ride launches a rider at an
angle of 90 degrees to the horizontal, with an initial
velocity of 50 m/s. Ignoring air resistance, what
will be the rider’s height at t = 1.5, t = 4 and t = 6
seconds?
Relevant Equations
unsure
dont know where to start. Other than it will take 5 seconds for v = 0m/s
 
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What equations have been mentioned in class or your textbook so far? Look at them, think about what they mean, one or more of them will be relevant.
 
Nugatory said:
What equations have been mentioned in class or your textbook so far? Look at them, think about what they mean, one or more of them will be relevant.
I don’t have any to go off of. I’m reviewing physics (haven’t had it in 5 years) and am stuck on this type of problem, so additional help would be appreciated. Thanks
 
brslagle said:
Homework Statement: An amusement park ride launches a rider at an
angle of 90 degrees to the horizontal, with an initial
velocity of 50 m/s. Ignoring air resistance, what
will be the rider’s height at t = 1.5, t = 4 and t = 6
seconds?
Relevant Equations: unsure

dont know where to start. Other than it will take 5 seconds for v = 0m/s
It is a constant acceleration problem. Read https://www.ncl.ac.uk/webtemplate/a...mechanics/kinematics/equations-of-motion.html.
 
brslagle said:
I don’t have any to go off of. I’m reviewing physics (haven’t had it in 5 years) and am stuck on this type of problem, so additional help would be appreciated. Thanks
Alternatively, try the Khan Academy. It seems you need a course in physics, not just a bit of help:

https://www.khanacademy.org/science/physics
 
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brslagle said:
I don’t have any to go off of. I’m reviewing physics (haven’t had it in 5 years) and am stuck on this type of problem, so additional help would be appreciated. Thanks
Google for “SUVAT equations “. They relate speed, distance, and acceleration.
 
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Nugatory said:
Google for “SUVAT equations “. They relate speed, distance, and acceleration.
That's why I recommend Khan Academy. That's a reliable source for SUVAT.
 
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Nugatory said:
Google for “SUVAT equations “. They relate speed, distance, and acceleration.
Thanks so much! That got me where I needed to be.
 
PeroK said:
Alternatively, try the Khan Academy. It seems you need a course in physics, not just a bit of help:

https://www.khanacademy.org/science/physics
Thanks. The SUVAT problems were the only questions I was having issues on, so I dont think an entire course is necessary, but thanks for the suggestion.
 
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