Two thin disks are attached as shown to the right. The angle θ = 22.5°, and...

Question

Question

Two thin disks are attached as shown to the right. The angle θ = 22.5°, and the masses and radii of the disks are listed in the table below.

Disk A ---- Radius 19.8 cm------Mass.701 kg

Disk B ---- Radius 5.70 cm------Mass.337 kg

What is the moment of inertia of this composite object about an axis perpendicular to the screen, through point p?

Answer 1

Answer #1

Solution 13 For disc A The radius of the disc is,r19.8cm Mass of the disc is, M4-0.701kg For disc B The radius of the disc is

The expression for the cosine formula cos(π-8) 。 ,, 。) _ (19.9%(19.8+5.70),-P2 cos (157.5°)- 2(AP)(AB) cos (180-22.5o)- 2(19.

Since the moment of inertia of the object is, Im2 0.5(0.701) (0.198) +(0.701) (0.198) +0.5(0.337)(0.0570) +(0.337) (0.444) -0

Answer 2

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