Question

a particle moves in a circle of radius 25 cm at two revolutions per sec. the acceleration of the particle in m/sec. square is

Answer 1

The acceleration is given by angular velocity ^2 into the radius vector
Thus the angular velocity is given by
2π/1sec
Which is 2π
Thus (2π)^2 is 4π^2
Acceleration is equal to = 4π^2 *0.25 which is
π^2