DC Physics logo HOME | Practice Problems } Monthly Features | Textbook Errata | Humor | About DC Physics

HELP HOME PAGE

Make a Practice Test

Some Hints & Solutions

** "Reload" or "Refresh" (or F5) the page to make another test from the same selection of problem types.

Select a new problem set.

    What is the rotational kinetic energy of a 143.8 kg merry-go-round of radius 2.95 m while it is spinning at a rate of 3.9 rpm?

    J

    What is the rotational kinetic energy of a 182.9 kg merry-go-round of radius 2.22 m while it is spinning at a rate of 4.8 rpm?

    J

    What is the rotational kinetic energy of a 152.3 kg merry-go-round of radius 2.01 m while it is spinning at a rate of 1.1 rpm?

    J

    What is the rotational kinetic energy of a 144.6 kg merry-go-round of radius 3 m while it is spinning at a rate of 1.1 rpm?

    J

    What is the rotational kinetic energy of a 100.1 kg merry-go-round of radius 2.67 m while it is spinning at a rate of 1.8 rpm?

    J

    What is the rotational kinetic energy of a 108.7 kg merry-go-round of radius 1.84 m while it is spinning at a rate of 3.7 rpm?

    J