gc textbook chapter 8 Rotational Motion (id: 7a2bb4707)

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

[填空题]
A helicopter rotor blade can.mwi )+1/afmnr 6 lksc be conside1(6x; g/qib +u :tgeo7gjkqwwm67ih w red a long thin rod, as shown in Fig. 8–46k+(/;hi qg tbqo:gwgu 76 1we6mxiw7j.
(a) If each of the three rotor helicopter blades is 3.75 m long and has a mass of 160 kg, calculate the moment of inertia of the three rotor blades about the axis of rotation.    $kg\cdot m^2$
(b) How much torque must the motor apply to bring the blades up to a speed of 5 $rev/s$ in 8.0 s?    $m\cdot N$

参考答案:
空格1: 2250±2%  空格2: 8800±2% 


本题详细解析:

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