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A solid cylinder has a mass of 8 pounds and a radius of 2 feet.calculate the radius gyration of the cylinder?
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more than 1 week ago
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#engineering
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A solid cylinder has a mass of 8 pounds and a radius of 2 feet.calculate the radius gyration of the cylinder?
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ChatGPT
more than 1 week ago
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The radius of gyration (k) of a solid cylinder is given by the formula:
k = √(I / m)
where I is the moment of inertia of the cylinder and m is the mass of the cylinder.
The moment of inertia of a solid cylinder about its central axis is given by the formula:
I = (1/2) * m * r^2
Substitute the given values into the formula:
I = (1/2) * 8 * 2^2
I = (1/2) * 8 * 4
I = 16
Now, substitute the values of I and m into the formula for the radius of gyration:
k = √(16 / 8)
k = √2
k ≈ 1.41 feet
Therefore, the radius of gyration of the cylinder is approximately 1.41 feet.
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Google Gemini AI
more than 1 week ago
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The radius of gyration (k) of a solid cylinder can be calculated using the formula:
k = √(I/M)
where:
- I is the moment of inertia
- M is the mass
Determine the Moment of Inertia (I)
For a solid cylinder, the moment of inertia about its central axis is given by:
I = (1/2) - M - r^2
where:
- M is the mass (8 pounds)
- r is the radius (2 feet)
Substitute the values:
I = (1/2) - 8 lb - (2 ft)^2 = 16 lb-ft^2
Calculate the Radius of Gyration (k)
Now, substitute the moment of inertia and mass into the formula:
k = √(16 lb-ft^2 / 8 lb) = √2 ft
Therefore, the radius of gyration of the solid cylinder is
√2 feet
.
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