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September 21, 2014

September 21, 2014

Posted by **colin** on Sunday, October 14, 2012 at 1:45pm.

h(t) = 14t – 5t2, where t is the time in seconds after the projectile is released. Can the projectile ever reach a height of 9m? Explain.

- math -
**Steve**, Sunday, October 14, 2012 at 3:26pmh(t) = t(14-5t)

max height is achieved at t = 7/5

h(7/5) = 9.8

so, yes.

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