Calculate Flight Time of Artillery Shell

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Homework Help Overview

The problem involves calculating the total flight time of an artillery shell fired at an angle of 25.3 degrees above the horizontal with a specified initial speed and gravitational acceleration, while neglecting air resistance.

Discussion Character

  • Exploratory, Assumption checking

Approaches and Questions Raised

  • Participants discuss the initial conditions of the problem and express uncertainty about how to approach the calculation. There are inquiries about related scenarios, such as the effect of changing the launch angle to 90 degrees.

Discussion Status

The discussion is ongoing, with participants seeking clarification on the problem setup and expressing their difficulties in starting the solution. Some guidance has been offered regarding the relevance of prior studies to the problem.

Contextual Notes

Participants have noted confusion regarding the problem statement and have requested to clarify their understanding of the physics involved, particularly in relation to the angle of launch.

sul6an
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Homework Statement



An artillery shell is fired at an angle of 25.3 above the horizontal ground with an initial speed of 1890 m/s. The acceleration of gravity is 9:8 m/s2 : Find the total time of fight of the shell, neglecting air resistance. Answer in units of min.


Homework Equations





The Attempt at a Solution

 
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Welcome to PF!

Hi sul6an! Welcome to PF! :smile:

(erm … what's "kicking ball" got to do with it?! :confused:)

Show us what you've tried so far, and then we'll know how to help you! :smile:
 
Nothing about kicking ball. I wrote it by mistake, sorry :?

I don't know how to start it :(
 
sul6an said:
Nothing about kicking ball. I wrote it by mistake, sorry :?

I don't know how to start it :(

Surely this question is related to some subject you've been studying. That should give you a clue about where to start.
 
sul6an said:
I don't know how to start it :(

Do you know how to do it if it is 90º (vertically upward) instead of 25.3º? :smile:
 

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