[填空题]
A 70-cm-diameter wheel accelerates uniformly about its s3q i,8 p-of/xkg3 wor z6wvx.center fromg06yzqx: ; vbng ln6*s 130 rpm to 280 rpm in 4 q;zbv0g6nx6sg*ynl : .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
