The photographer, who is on board, the boat takes off

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The photographer, who is on board, the boat takes off, reaching a collision course. At the time of the shooting boat is at an angle of 45 ° in the course of the ship at a distance of 150 m from it. Vessel speed of 18 km / h, and boats 36 km / h. What is the maximum exposure time can give the photographer to blur the image on the film did not exceed 0.03 mm? The focal length of the lens 5 cm.

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Task 40805. Detailed solution with a short recording conditions, laws and formulas used in the decision, the withdrawal of the calculation formula and the answer.
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