The length of minute hand of a clock is 8 m. Calculate its speed.
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The end of the arrow of the hand rotates in a circle of radius 8 cm. It moves the circumference = 2 π 8 m in one rotation, that is 60 minutes = 3600 seconds.
So the LINEAR speed of the TIP of the minute hand = 2π * 8 m / 3600 s
= 16π/3600s
= calculate and find out
So the LINEAR speed of the TIP of the minute hand = 2π * 8 m / 3600 s
= 16π/3600s
= calculate and find out
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