The longest javelin throw at the Olympics covered a horizontal distance of 104.8 m. The athlete threw the javelin at an angle of J3CK00 above the horizontal from an initial height of 1.50 m above the ground. Ignore air resistance.
a) What was the initial speed of the javelin?
b) What was the maximum height of the javelin?
c) What is the final velocity of the javelin? Give your answer in terms of a magnitude and a direction.