Two similar planes of mass m each having failed engines are being pulled by a stronger plane in air. At t = 0, they are travelling at uniform speed producing tension T A in rope A. The stronger plane then accelerates with acceleration a. Tension in rope B just after the beginning of acceleration is
Text Solution
Verified by ExpertsThe correct answer is:
D
Before accelerating, tension at rope B is T = 
× tension at rope A= 
Just after acceleration, total tension in rope B is given by T total
= 
+ ma.
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