Question

A body of mass 360 revolution in 2 minutes the frequency of the body is ​

Answer 1

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Angular velocity, ω=300 rpm

⟹ω=

60

300

=5 rps

⟹ω=5×2π

⟹ω=10π rad/s

Angle, θ=ωt

⟹θ=ωt

⟹θ=10π×1

⟹θ=10π radians

Answer 2

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Frequency = no. of revolutions completed per minute

so here

frequency = 180 Hz