What is the unkown mass, two strings with linear densities

What is the unkown mass

Reference no: EM13311307

two strings with linear densities of g/m are stretched over pulleys, and attached to hanging blocks (string 1 is 20 kg=mass of block)-50 cm away. String 3's mass is unknown. both strings are driven with the same frequency. what is it?

what is the unkown mass?

Reference no: EM13311307

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