Please help me!

1. A firefighting crew uses a water cannon that shoots water at 29.0 m/s at a fixed angle of 50.0 ?above the horizontal. The firefighters want to direct the water at a blaze that is 10.0 m above ground level.

How far from the building should they position their cannon? There are two possibilities (d1

(Find d1, d2)

2. A little cat, Bella, walks along a straight line, which we shall call the x-axis, with the positive direction to the right. As an observant scientist, you make measurements of her motion and construct a graph of the little feline's velocity as a function of time. (See the figure (Figure 1).)

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