A horizontal disk with a radius of 0.10 m rotates about a vertical axis through its center. The disk starts from rest at t = 0, and has a constant angular acceleration of 2.1 rad/s )

At what value of t will the radial and tangential components of the linear acceleration of a point on the rim of the disk be equal in magnitude?

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Explanation:

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explanation: magnetic pole, region at each end of a magnet where the external magnetic field is strongest. the south-seeking pole, or any pole similar to it, is called a south magnetic pole. unlike poles of different magnets attract each other; like poles repel each other.

f=ma newton's second law 7x8=56n