gc textbook chapter 8 Rotational Motion (id: 38320617f)

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本题目来源于试卷: gc textbook chapter 8 Rotational Motion，类别为 unclassified

[填空题]
A grinding wheel is a uniform cylindeyf4u7,8ns: t12pkl ljp s;dmibs2w*u)urpuczdo ld9z.c78nrt w,) rs;c:hl,* (yh qr with a radius of 8.50 cm and a mass of 0.580 k) l7rzlcuyprhzs wn*) ,9c h,ducqo(r.t:;8dg. Calculate
(a) its moment of inertia about its center, $\approx$    $kg \cdot m^2$
(b) the applied torque needed to accelerate it from rest to 1500 rpm in 5.00 s if it is known to slow down from 1500 rpm to rest in 55.0 s。    $m \cdot N$

参考答案:
空格1: 0.0021±2%  空格2: 0.072±2% 


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