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

admin

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 cylinder wiq :qeqsnbkio(gb-0 -;th a r7fvead w10d zu jm38ouzd zpq-h7 i365anqa* 9adius of 8.50 cm and a mass of 0.580 kg. Calc7wua 3zqhdn5 f 0d8dzj6zaoi-eq7apmv93 u1*ulate
(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% 


本题详细解析:

微信扫一扫，阅读更方便