Two blocks, each of mass 3.50 kg, are hung from the ceiling of an elevator as shown in the figure below. (a) If the elevator moves with an upward acceleration of magnitude 1.60 m/s2, find the tensions T1 and T2 in the upper and lower strings. (b) If the strings can withstand a maximum tension of 85.0 N, what maximum acceleration can the elevator have before a string breaks?
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