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L = 70 + 5m
Original length m=0
∴ L = 70 cm
(m/2)×8=-20
4m = -20
m = -20/4
m = -5.
Hope this helps
Original length m=0
∴ L = 70 cm
(m/2)×8=-20
4m = -20
m = -20/4
m = -5.
Hope this helps