You throw a snowball horizontally from the roof of a building that is 83.0 m above flat ground. The initial speed of the snowball is 17.0 m/s. Assume free fall with up as positive, and use g = 9.80 m/s2. Ignore air resistance. (a) How long does the projectile remain in the air? (b) At what horizontal distance from the firing point does it strike the ground? (c) What is the vertical component of its velocity as it strikes the ground?

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