A meter stick can be balanced by placing a support at the 50.0-cm mark. If a mass of 50.0 g is attached to the stick at the 90.0-cm mark, the stick can be balanced by placing a support at the 61.3-cm mark. What is the mass of the meter stick? NOTE: 'g' here is grams.
A) 32.6 g
B) 178 g
C) 73.4 g
D) 89.7 g
E) 127 g
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