Figure (a) shows crude mobile hanging from a ceiling, with two metal pieces strung by cords of negligible mass. The masses of the pieces are m, = 3.0 kg and m2 = 4.4 kg. (a) (b) (a) What is the tension in the bottom cord? 43.1 43. N. (b) What is the tension in the top cord? 72.5 V 72.5 N

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