The catapult is used to launch a ball such that it strikes the wall of the building at the maximum height of its trajectory. If it takes time t₁ to travel from A to B, determine the velocity v_A at which it was launched, the angle of release θ, and the height h. Given:

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a = 3.5 ft b = 18 ft t1 = 1.5 s DO 8 = 32.2 2 S