Sunday

December 21, 2014

December 21, 2014

Posted by **lisa** on Monday, July 8, 2013 at 11:13am.

h1(t) =

h2(t) =

When does ball 1 reach the ground? Round to the nearest hundredth. ____seconds

When does ball 2 reach the ground? Round to the nearest hundredth. _____seconds

- algebra1 HELP PLEASE -
**Henry**, Tuesday, July 9, 2013 at 4:43pmh1(t) = 100 - 0.5*32*t^2.

h1 = 100 - 16t^2 = 0 @ gnd. level.

16t^2 = 100

t^2 = 6.25

t = 2.50 s.

h2(t) = 210 - 0.5*32*t^2

h2 = 210 - 16t^2 = 0 @ gnd. level.

16t^2 = 210

t^2 = 13.125

t = 3.62 s.

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