[填空题]
A 70-cm-diameter wheel ab9crtaxm+ot x3rg /+5v,l- kkcvx d0+ ,n,6pryp,pv3 g0 wb ahgoxpwk 3v)mv37celerates uniformly about its center from 130 rpm to 2803 0w+)hx67xpgnvg0,pv kpo mv3 ,pvwa3y, drb rpm in 4.0 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
