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## Homework Statement

a golf ball is shot from a height of 6.5 ft above the ground at an angle of 45° above the horizontal. The ball lands 39 ft and 3 inches downfield. Assuming ideal projectile motion find:

a. Initial velocity

b. flight time

c. maximum height

## Homework Equations

r = [(v0*cosθ)t ]i + ((v0*sinθ)t - 1/5gt^2)j.

## The Attempt at a Solution

I have attached my work (problem 5) but can't seem to know if it correct. I have converted all of my units to metric because gravity is know as 9.8 m/s^2.