how fast is a 5cm hour hand moving
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Step-by-step explanation:
follow the steps.
r=5 cm
circumference or distance to be covered =length of arc covered by hour hand in 1 hour that is arc of 30 degrees.
which is = 2πr(theta/360)
=2×π×5(30/360) =10π×1/12=5π\6
time = 1 hour that is 3600seconds.
V=S/T
V=5π/6/3600=5π/3600×60
=5π/216000
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