[填空题]
A 17.0-kg monkey hangs from a co z p br8*ol.,xgkf6ce6r 6it4,gd*n uy z0jhfvnh75t0r d suspended from the ceiling of an elevator. The cord can withstand a tension of 220 N and breaks as the elevator accelerates. What was the elevator*4rjthtyvng 0 d7u f5,i06zn h’s minimum acceleration (magnitude and direction)? a =
