A certain baseball bat is a tapered cylinder that increases in diameter from 0.0

Question

A certain baseball bat is a tapered cylinder that increases in diameter from 0.040 m at one end to 0.070 m at the other end and is 0.84 m long. The bat has uniform density and inertia 0.95 kg .

Part A

What is the rotational inertia of this bat around an axis that passes perpendicularly through the skinny end?

Express your answer with the appropriate units.

A certain baseball bat is a tapered cylinder that increases in diameter from 0.040 m at one end to 0.070 m at the other end and is 0.84 m long. The bat has uniform density and inertia 0.95 kg .

Part A

What is the rotational inertia of this bat around an axis that passes perpendicularly through the skinny end?

Express your answer with the appropriate units.

Explanation / Answer

total Inertial = M/2 * (R2^2 - R1^2) + ML^2/12

Inet = 0.95/2*(0.04^2 - 0.07^2) + 0.95/12 * 0.84^2

Inet = 0.05424 kgm^2

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