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March 2nd, 2008, 07:37 PM   #1
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Rate of Change problem.

I am having a hard time with the start of a word problem regarding rate of change. It is pretty easy (or at least it seems)... but i can't get started with it... any help will be appreciated again!!!

Question -

A baseball diamond has the shape of a square with sides 90 feet long. A player is running from first to second base at a speed of 28 feet per second. Find the rate at which the distance from home plate is changing when the player is 30 feet away from second base...

And also- A player is running from second base to third base at a speed of 28 feet per second is 30 feet from third base. At what rate is the players distance "s" from home plate changing?

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I am thinking that I have to use Pyg Ther - but i am not sure... Thank you everyone... and i am so grateful for this message board!!!
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March 4th, 2008, 02:21 AM   #2
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Where is home plate in relation to the diamond?
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March 4th, 2008, 08:38 AM   #3
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Good morning Skipjack,

Home plate is on the bottom of the diamond.


(hopefully this works)

2nd base

3rd base 1st base

Home Plate

Hopefully that helps.. because I am lost.. I looked at this again last night and was just as stumped as before
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