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Velocity Vector Questions

Q1. A river flows at the rate of 4.70 kilometers per hour. A rower, who can travel 7.51 km/h in still water, heads directly across the current. That is, the boat remains pointed perpendicular to the current while being carried downstream by it. Find the actual rate and direction of travel of the boat.

Q2. A certain escalator travels at a rate of 10.6 m/min, and its angle of inclination is 32.5°. What is the vertical component of the velocity? How long will it take a passenger to travel 10.0 m vertically?

Source: Technical Mathematics with Calculus, 6e. Calter & Calter.

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