Posted by **Mary** on Tuesday, March 4, 2014 at 1:07pm.

A symmetric projectile spends a total of 20 seconds in the air. It reaches a peak height of 8 meters. HOw long it takes to reach its peak height? The projectile has a range of 80 meters.What is its horizontal velocity? What is the projectile's horizontal acceleration? What is the projectile's vertical acceleration?

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