a) (a) 40.1 m/s² downward, (b) 103 m/s2 upward
b) (a) 103 m/s2 downward; (b) 40.1 m/s2 upward c) (a)12.1 m/s2 downward; (b) 7.57 m/s2 upward
d) (a)7.57m/s2 downward; (b) 12.1 m/s2 upward
a) (a) 40.1 m/s² downward, (b) 103 m/s2 upward b) (a) 103 m/s2 downward; (b) 40.1 m/s2 upward c) (a)12.1 m/s2 downward;
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