The angular velocity of the minute hand of a clock is:
Correct answer: C. 2π/3600rads-1
- A. 2π/60rads-1
- B. π/24rads-1
- C. 2π/3600rads-1
- D. π/3600rads-1
Explanation
The following is the solution: Time is taken by minute hand to rotate by 2π radians t=1 hr =3600 s ∴ Its angular velocity w= θ/t =2π/3600
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About Angular Velocity
Angular velocity describes how quickly angular displacement changes with time, with ω = Δθ/Δt and units of radians per second. Questions relate angular and linear motion through v = rω, use the direction given by the right hand rule, and distinguish angular velocity from angular acceleration and ordinary frequency.
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