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Posted by **Bobby** on Thursday, December 9, 2010 at 11:00pm.

The acceleration of gravity is 9.8 m/s2 . y

x

What is the maximum height, h, of its tra jectory?

Answer in units of m.

- Physics -
**drwls**, Friday, December 10, 2010 at 11:29amMaximum height is achieved when the velocity's vertical component is zero.

36*sin55 - gt = 0

Solve for the time t. Then use

y = 30*sin55* t - (g/2)t^2

to get the maximum altitude h.

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