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 unifo nn so0sny-4p+b 1b6;4trnofcb jh*( d el7cgv7 r94r*f :dfmqrm cylinder with a radius of 8.50 cm and a mass of 0.589: deg7q*v4rfc7lfm r0 kg. 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% 


本题详细解析:

微信扫一扫，阅读更方便