2. A 3-in diameter disk flywheel with a mass of 0.5-Ibm accelerates uniformly up from 0-rpm to 72-rpm in 5-sec. Find the
Posted: Mon May 09, 2022 9:15 am
2. A 3-in diameter disk flywheel with a mass of 0.5-Ibm accelerates uniformly up from 0-rpm to 72-rpm in 5-sec. Find the rotational kinetic energy required to perform this work. (A) 0.041 in-Ibf (B) 0.17 in-Ibf (C) 16 in-Ibt (D) 45 in-Ib