Task id8989
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Task id8989
A mathematical pendulum 1 m long hangs in the carriage of a uniformly and rectilinearly moving train. At some point, the train begins to slow down and moves with a deceleration of 9.8 m/sec2. What is the speed of the pendulum relative to the car at the moment of deflection through an angle of 45°?
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Detailed solution. Format png
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