Physics Rotational Mechanics Level: Misc Level

A meter stick balances at the 50.0 -cm mark. If a mass of 50.0 g is placed at the 90.0-cm mark, the stick balances at the 61.3- cm mark. What is the mass of the meter stick?

a.127 g

b.178 g

c.32.6 g

d.73.4 g