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**Problem**: Two solid discs are rotating about a perpendicular shaft through their centers, as shown in the figure. Disc A, has a radius that is twice as large as disc B,? Which of the following statements is NOT true?A) A point on the rim of disc A, has twice the linear speed as a point on the rim of disc B.B) The direction of the angular velocity is to the right.C) Every point on the body has the same angular acceleration.D) The linear acceleration of a point on the rim of disc B is the same as the linear acceleration of a point halfway from the center to the rim on disc A.E) The angular velocity at a point on the rim of disc A is twice the angular velocity of a point on the rim of disc B.

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###### Problem Details

Two solid discs are rotating about a perpendicular shaft through their centers, as shown in the figure. Disc *A*, has a radius that is twice as large as disc *B*,? Which of the following statements is NOT true?

A) A point on the rim of disc *A*, has twice the linear speed as a point on the rim of disc *B*.

B) The direction of the angular velocity is to the right.

C) Every point on the body has the same angular acceleration.

D) The linear acceleration of a point on the rim of disc *B* is the same as the linear acceleration of a point halfway from the center to the rim on disc *A*.

E) The angular velocity at a point on the rim of disc *A* is twice the angular velocity of a point on the rim of disc *B*.

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Rotational Velocity & Acceleration concept. You can view video lessons to learn Rotational Velocity & Acceleration Or if you need more Rotational Velocity & Acceleration practice, you can also practice Rotational Velocity & Acceleration practice problems .