An at wood machine is setup in an elevator moving upward at 5m/s and slowing down at 2m/s2
.The initial
velocity of block B is 2m/s upward and the acceleration of block A is 3m/s2
down wards. Find the time (in
sec.) at which block B will return to its initial position. Assume the string remains taut and the acceleration of
the elevator does not change during the required time interval.
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