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erica [24]
3 years ago
8

Estimate the moment of inertia of a bicycle wheel 72 cm in diameter. The rim and tire have a combined mass of 1.4 kg . The mass

of the hub can be ignored. Express your answer to two significant figures and include the appropriate units.
Mathematics
1 answer:
asambeis [7]3 years ago
7 0

Answer:

0.18 kg.m²

Step-by-step explanation:

Moment of Inertia (I) = m r²----------------------------------------------------------- (1)

Where

m= mass of the rim and tire

r = radius

I = mr²----------------------------------------------------------------------- (2)

m =1.4kg

r =72/2

 = 36cm

 = 0.36 m

Substituting into (2), we have :

I = 1.4  x(0.36)²

 = 0.18144‬

≈ 0.18 kg.m²

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