A disk of radius 1.6 m and mass 3.8 kg rotates about an axis through its center. A force of 18.4 N is applied tangentially to the edge of the hoop, causing it to rotate counterclockwise. Assuming the disk is initially at rest, after 3 s... a) what is the radial acceleration of a point halfway between the axis and the edge of the disk

At the edge, angular acceleration = 3.025 rad/s2

At halfway = 13.11 rad/s2

Explanation:

Detailed explanation and calculation is shown in the image below

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the answer is ampere

the ampere is used to measure electricity. an ampere is a unit of electric current equal. a unit of measure for the flow of current in a circuit. one ampere is the amount of current flow provided when one volt of electrical pressure is applied against one ohm of resistance.