How far beyond the fence does the ball strike the ground?

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Homework Help Overview

The problem involves a baseball hit at ground level, reaching its maximum height after 3.1 seconds and clearing a fence located 97.2 meters away after an additional 2.6 seconds. The task is to determine how far beyond the fence the ball strikes the ground.

Discussion Character

  • Exploratory, Assumption checking, Problem interpretation

Approaches and Questions Raised

  • Participants discuss the necessity of knowing the height of the fence, with some suggesting it may not be essential for solving the problem. Others note the symmetry of the ball's trajectory as a hint for approaching the solution.

Discussion Status

The discussion is ongoing, with participants providing hints and questioning assumptions about the problem's requirements. There is a general agreement that the height of the fence is not critical for part (a) of the problem, and some suggest that the original poster should attempt to solve it based on the information given.

Contextual Notes

There is an implication that part (b) of the problem may involve estimating the height of the fence, but this has not been explicitly confirmed in the discussion.

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Homework Statement





A baseball is hit at ground level. The ball reaches its maximum height above ground level 3.1 s after being hit. Then 2.6 s after reaching its maximum height, the ball barely clears a fence that is 97.2 m from where it was hit. Assume the ground is level.

a) How far beyond the fence does the ball strike the ground?




Homework Equations


V = x/t


The Attempt at a Solution

 
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Welcome to the physics forums,

You should show your attempt at a solution (or at least explain your thought process, and where you're stuck at) so that you can be helped where you need it
 
How high is the fence? That would seem to be an essential piece of information.
 
SteamKing said:
How high is the fence? That would seem to be an essential piece of information.

You shouldn't need to know that to solve the problem
 
I agree with Nathanael . The height of the fence is not required .
 
Ditto. The problem is easier than it looks at first glance.
 
this seems like more of a math question than a physics one. A hint is that the ball follows the path of a trajectory meaning that the path it takes to rise to its maximum point is symmetrical to its fall back to the ground.
 
Nathanael said:
You shouldn't need to know that to solve the problem

Indeed. All that is needed for the OP's problem (which I note is designated as part (a)) is that the ball clears the fence. Adding "barely" suggests that part (b) of the problem is "approximately how tall is the fence?"
 
Probably best to let the OP have a go at it now.
 

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