Question

A coil rotates at a speed of 300/2π revolutions
per minute. The angular velocity is:
(a) 2 rad/s
(b) 5 rad/s
(c) 10 rad/s
(d) 50 rad/s​

Answer 1

Answer:

A body rotates at 300 rotations per minute.The value in radian of the angle described in 1 sec is:

MEDIUM

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ANSWER

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