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lands exactly 186 m downrange on a level

course.

The acceleration of gravity is 9.8 m/s2 .

A)Neglecting air friction, what minimum pro-

jection angle would achieve this result?

Answer 6.35 minimum angle

B)Neglecting air friction, what maximum pro-

jection angle would achieve this result?

C)What is the maximum height reached by the

ball, using the angle determined in part A?

I have found the minimum angle but I cant seem to get the height and max angle correct.