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2. A bullet is fired from the ground at an angle of 45o above the horizontal. What initial speed vo must the bullet have in order to hit a point 550 ft high on a tower located 600 ft away (ignoring air resistance)?

3. The Giant Ferris Wheel in Vienna has radius R = 30 m (Figure 1). Assuming that a time t = t0, the wheel rotates counterclockwise with a speed of 15 m/min, and is slowing at a rate of 10 m/min2. Find acceleration vector for a person seated in a car at the lowest point of the wheel.

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