Kicking a Field Goal: Calculating Elevation Angles

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Homework Help Overview

The problem involves calculating the elevation angles for a football kicker to successfully score a field goal, given an initial speed and specific distances and heights related to the goalposts.

Discussion Character

  • Exploratory, Assumption checking

Approaches and Questions Raised

  • Participants discuss using standard constant acceleration equations to analyze the motion in both horizontal and vertical directions. There is also an inquiry about how to initiate the problem-solving process.

Discussion Status

The discussion is ongoing, with participants seeking clarification on initial attempts and suggesting approaches to break down the problem. There is no explicit consensus yet on how to proceed.

Contextual Notes

The original poster has not provided specific attempts or equations used, indicating a potential gap in understanding the foundational concepts needed to tackle the problem.

sagaradeath
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Homework Statement



A football kicker can give the ball an initial speed of 30 m/s. What are the (a) least and (b) greatest elevation angles at which he can kick the ball to score a field goal from a point 48 m in front of goalposts whose horizontal bar is 3.44 m above the ground?

Homework Equations





The Attempt at a Solution


 
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hi sagaradeath! :wink:

show us what you've tried, and where you're stuck, and then we'll know how to help! :smile:
 
thatz the thing i don't know how to start it
 
call the angle θ, and use standard constant acceleration equations for the x and y directions (separately)
 

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