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    A solid cylinder of diameter 11.4 cm is spinning at a rate of 222.6 rpm. If a board leans against the outside providing a frictional force of 45.41 N it will stop in 0.4105 s. What is the mass of the cylinder?

    kg

    A solid cylinder of diameter 13.6 cm is spinning at a rate of 150.4 rpm. If a board leans against the outside providing a frictional force of 16.86 N it will stop in 0.6873 s. What is the mass of the cylinder?

    kg

    A solid cylinder of diameter 16 cm is spinning at a rate of 407 rpm. If a board leans against the outside providing a frictional force of 26.78 N it will stop in 3.148 s. What is the mass of the cylinder?

    kg

    A solid cylinder of diameter 8.2 cm is spinning at a rate of 303.4 rpm. If a board leans against the outside providing a frictional force of 45.4 N it will stop in 0.2097 s. What is the mass of the cylinder?

    kg

    A solid cylinder of diameter 8.2 cm is spinning at a rate of 204.7 rpm. If a board leans against the outside providing a frictional force of 14.97 N it will stop in 0.279 s. What is the mass of the cylinder?

    kg

    A solid cylinder of diameter 9.2 cm is spinning at a rate of 110.3 rpm. If a board leans against the outside providing a frictional force of 29 N it will stop in 0.1449 s. What is the mass of the cylinder?

    kg