Exercise 10.18 During startup of a power plant, a turbine accelerates from rest at 0.46 rad/s2. Part A How long does it take to reach its 5400 rpm operating speed? Express your answer using two significant figures. Ο ΑΣΦ ? Submit My Answers Give Up Part B How many revolutions does it make during this time? Express your answer using two significant figures. ΜΕ ΑΣΦ Submit My Answers Give Up ? revi Prow Problem 10.24 Part A A light tangular plate OAB is in a horizontal plane. Three forces F-3.0 N. F, perpendicular to Of Consider the counterclockwise sense as positive. The sum of the 9.0 N. and F-4.0 N. act on the plate, which is pivoted about a vertical axes through point O. In the figure, Fis torques about the vertical axis through point O. acting on the plate due to forces F, F, and Fs, is closest to 19/0 56N m 43N m 66N-m 63N m zero Submit 100m My Answers Give Up Provide Feedback Continue HM 10 (Ch.103 Exercise 10.36 Exercise 10.36 A 240 g baseball is pitched at 28 m/s spinning at 48 rad/s. You can treat the baseball as a uniform solid sphere of radius 3.8 cm. Part A What fraction of its kinetic energy is rotational? Express your answer using two significant figures. ΜΕ ΑΣΦ K K Submit My Answers Give Up Course Home