How Does Projectile Angle Affect Range and Height?

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Homework Help Overview

The discussion revolves around a projectile motion problem involving a cannon shooting a projectile at various angles. The original poster seeks to calculate the maximum height and range of the projectile at angles of 60, 45, and 30 degrees, given a specific initial speed.

Discussion Character

  • Exploratory, Assumption checking, Conceptual clarification

Approaches and Questions Raised

  • Participants question the relevance of factors such as air resistance and mass of the projectile. There is a discussion about whether the problem assumes ideal conditions, such as a vacuum, and the implications of these assumptions on the calculations.

Discussion Status

Some participants have offered guidance regarding the typical assumptions in high school physics, suggesting that air resistance is generally not considered. The original poster expresses confusion and seeks further clarification, indicating a lack of understanding of the material.

Contextual Notes

There is mention of an open notes test, which may influence how participants approach the problem and their reliance on external resources for assistance.

dboy83
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A cannon shoots a projectile at an angle of 60 degrees above the horizontal with an initial speed of 30.0 m/s.

A) calculate the maximum height of the projectile and its range ( the horizontal distance traveled when the projectile hits the ground).

B) repeat the calculations of part A for initial angles of 45 degrees and 30 degrees, assuming the same initial speed of 30.0 m/s.

 
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you havnt said your ideas about the question... whether you need to take into account air resistance or the mass of the object... so essentially it could be a mass less projectile in a vacuum crusing along until the end of the universe? lol...
 
zigga15 said:
you havnt said your ideas about the question... whether you need to take into account air resistance or the mass of the object... so essentially it could be a mass less projectile in a vacuum crusing along until the end of the universe? lol...


That's all the information I have. This seems to complex for high school physics. I thought we were supposed to just learn the basics...
 
Heh, this isn't complex at all. In high school, especially since your physics class just started, you won't have air resistance. You should be able to do this easily if you read the material or listen to the teacher in class. Do you have all of your kinematic equations memorized?
 
Brickster said:
Heh, this isn't complex at all. In high school, especially since your physics class just started, you won't have air resistance. You should be able to do this easily if you read the material or listen to the teacher in class. Do you have all of your kinematic equations memorized?

I do listen. I just don't get it. That's why I'm here asking for help. No, it's an open notes test
 

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