4 marksProjectiles
CAPE Applied Mathematics Unit 2 · 2017 · Paper 2 · Question 5(b)(ii)
An object on the edge of a cliff 45 m above the ground is projected with a speed of 20\text{ ms}^{-1} at an angle of 30^\circ to the horizontal.
Show that the distance from the foot of the cliff to the point where the object strikes the ground is x = 5(\sqrt{120} - \sqrt{3})\text{ m}.
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