[填空题]
A 70-cm-diameter whee2,23 s*j0e64dy pnq oibe :8uijacxvul0w+2-0peym 3i6so soe xyw2z n accelerates uniformly about its center from 130 rpm to 280 rpm in + 30ino220y ps6w xy-oeeszm w4.0 s. Determine (a) its angular acceleration,$\approx$ $rad/s^2$(Round to one decimal places) (b) the radial and tangential components of the linear acceleration of a point on the edge of the wheel 2.0 s after it has started accelerating. $a_R$ $m/s^2$ $a_{tan}$ $m/s^2$
Post time 2025-2-18 20:00:22
