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Q1. A bolt is dropped from a bridge under construction, falling 92m to the valley below the bridge. (a) How much time does it take to pass through the last 26 percent of its fall? What is its speed (b) when it begins that last 26 percent of its fall and (c) just before it reaches the ground?

Q2. A support wire is attached to a recently transplanted tree to be sure that it stays vertical. The wire is attached to the tree at a point 1.5 from the ground, and the wire is 2 long. What is the angle between tree and support wire?

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