Determining the tension in the wire
A C note (f=256 Hz) is sounded on a piano. If the length of the piano wire is 1.00 m and its mass density is 2.50 g/m, what is the tension in the wire?
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The two wires are anchored to the ground 2 m apart and each 2 m from the pole. The tension in each wire is 85 N. What is the tension in the net, assumed horizontal and attached at the top of the pole?
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If the police car accelerates uniformly at 3.00m/s^2 and overtakes the speeder after accelerating for 9.00 s, what was the speeder's speed?
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