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gc textbook chapter 8 Rotational Motion (id: e92395b2a)

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Post time 2025-2-18 20:00:22 | Show all posts |Read mode
本题目来源于试卷: gc textbook chapter 8 Rotational Motion,类别为 unclassified

[填空题]
A helicopter rotor blade can be considered a long thin rod, as shown : /h3ds 4rgnnad r2z8hciq )-din o o2e8au l c84qmpq7wdv 7 7rw(yzl)c3Fig. 8–4o (ywa487p7qvz)oe8wu3 rl d2lmc q7c 6.
(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%


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