From the window of a building, a ball is tossed from a
height y0 above the ground with an initial velocity of 8.00 m/s and angle of 20.0° below the horizontal. It strikes the ground
3.00 s later. (a) If the base of the building is taken to be the origin
of the coordinates, with upward the positive y - direction,
what are the initial coordinates of the ball? (b) With the positive
x - direction chosen to be out the window, find the x - and
y - components of the initial velocity. (c) Find the equations for
the x - and y - components of the position as functions of time.
(d) How far horizontally from the base of the building does
the ball strike the ground? (e) Find the height from which the
ball was thrown. (f) How long does it take the ball to reach a
point 10.0 m below the level of launching?
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