document.write( "Question 211170: Ths is a summer math problem I was assigned to complete. A punter can kick a football with an initial velocity of 48 feet per second. How many seconds will it take for the ball to return to the ground?(Hint: Use the formula h=vt-16t2*)I was unsure whether or not this formula was correct for some reason I thought the formula was h=v-16t2*. I still need help wth completing the problem though. Thank you in adance the sooner this is answered the better.\r
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Algebra.Com's Answer #159532 by nerdybill(7384)\"\" \"About 
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A punter can kick a football with an initial velocity of 48 feet per second. How many seconds will it take for the ball to return to the ground?(Hint: Use the formula h=vt-16t2*)
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\n" ); document.write( "No, h=vt-16t^2
\n" ); document.write( "is correct
\n" ); document.write( "since v (velocity) is feet/sec and if you didn't multiply with time your units would not work.
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\n" ); document.write( "Since h = height (in feet)
\n" ); document.write( "set to zero to find out when it hits the ground
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\n" ); document.write( "0 = vt-16t^2
\n" ); document.write( "plugging in the given initial velocity:
\n" ); document.write( "0 = 48t-16t^2
\n" ); document.write( "0 = 3t-t^2
\n" ); document.write( "0 = t(3-t)
\n" ); document.write( "t = {0, 3}
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\n" ); document.write( "Well, 0 secs is \"before\" the punter kicked the ball so we're left with:
\n" ); document.write( "t = 3 seconds\r
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