Question: At time t = 0, an object is launched from ground level, with an initial speed of 80 m/s and at a launch angle i

At time t = 0, an object is launched from ground level,

with an initial speed of 80 m/s and at a launch angle i

such that cos i = 2/3 and sin i = 3/4.

The object then travels in a symmetric, parabolic path.

What is the object's height above the ground 1 second before it reaches the top of its path?

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