The height of the cliff is determined as 33.44 m.
The maximum height of a projectile above its launch position, is the the vertical distance of the projectile and it depends only on the vertical component of the initial velocity.
The height of the cliff is calculated as follows;
h(y) = v(y)t - ¹/₂gt²
where;
h(y) = (32 x sin 60)(3.1) - (0.5)(9.8)(3.1²)
h(y) = 80.54 - 47.1
h(y) = 33.44 m
Thus, the height of the cliff is determined as 33.44 m.
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