The angular frequency of n fan increases from 30 rpm to 60 rpm in pi s. A dust particle is present on the blades at a distance of 20 m from axis of rotation. The net acceleration of dust particle at the end of pi s is

The angular frequency of n fan increases from 30 rpm to 60 rpm in pi s

1.	The angular frequency of n fan increases from 30 rpm to 60 rpm in pi s. A dust particle is present on the blades at a distance of 20 m from axis of rotation. The net acceleration of dust particle at the end of pi s is
Answer» `2.8 MS^(-2)` `7.9 ms^(-2)` `9.2 ms^(-2)` `6.2 ms^(-2)` ANSWER :B