document.write( "Question 396663: How do I find when an object hits the ground using the equation: -16t^2 +560t. I know how to find the height after however many seconds, but cannot figure out how to find this. \n" ); document.write( "

Algebra.Com's Answer #281324 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!


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document.write( "Hi
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document.write( "-16t^2 +560t = 0
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document.write( "-16t(t - 35)= 0
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document.write( " t = 0 or t = 35sec 
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document.write( "35sec is when the object hits the ground
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