A meterstick is supported by a knife-edge at the 50.0-cm mark. Doug hangs masses of 0.48 and 0.76 kg from the 10-cm and 80-cm marks, respectively. Where should Doug hang a third mass of 0.25 kg to keep the stick balanced?
a. 64.4 cm b. 25.6 cm
c. 74.4 cm d. 35.6 cm
e. 50 cm
d
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