document.write( "Question 634986: I'm stumped. Thank you for your help.
\n" ); document.write( "in a diving siblings showcase, 11-year old hannah takes off from a 24.61 foot platform with an initial velocity of 9.7 ft/sec at the same time her brother tyler, who is 3.5 years older, takes off from a 32.81 foot platform with an initial velocity of 4.51 ft/sec. Who enters the water first? By how much? Round to the nearest hundredth. \n" ); document.write( "
Algebra.Com's Answer #400034 by stanbon(75887)\"\" \"About 
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11-year old hannah takes off from a 24.61 foot platform with an initial velocity of 9.7 ft/sec
\n" ); document.write( "Hannah's height at time \"t\": ht) = -16t^2 + 9.7t + 24.61
\n" ); document.write( "solve h(t) = 0 for the time her height is zero.
\n" ); document.write( "Ans: t = 1.58 seconds
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\n" ); document.write( "\n" ); document.write( " at the same time her brother tyler, who is 3.5 years older, takes off from a 32.81 foot platform with an initial velocity of 4.51 ft/sec. Who enters the water first?
\n" ); document.write( "Brother's height at time \"t\": b(t) = -16t^2 + 4.51t + 32.81
\n" ); document.write( "Solve b(t) = 0 for the time his height is zero.
\n" ); document.write( "Ans: 1.58 seconds
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\n" ); document.write( "They hit the water at the same time.
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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