Question

A circular disk with a radius of 15 mm rotates at a constant angular speed of 5 revolutions per second. Determine the acceleration of a point on the circumference of the disk. (solution- a_c = 14,789 m / s²)

Answer 1

$a=a_c=\omega^2r=(2\cdot3.14\cdot5)^2\cdot0.15=14.789\ (m/s^2)$