1.

The angular frequency of a fan increases from 30 rpm to 60 rpm in pi s. A dust particle is present at a distance of 20 cm from axis of rotation. The tangential acceleration of the particle in pi s is

Answer»

`0.8 MS^(-2)`
`0.34 ms^(-2)`
`0.2 ms^(-2)`
`1.2 ms^(-2)`

ANSWER :C


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