The minute hand of a clock is 8 cm long. Calculate the linear speed of an ant sitting at its tip.
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Answer:here, angular velocity of minute is
ω= 2π/3600 rad sec⁻¹
as minute hand covers 2π radian in 1 hour
length if minute hand = r
now linear velocity v is given by,
v = rω
∴v = 0.08 × 2π/3600 = 0.08 × π/1800 = 8π/180000 m sec⁻¹
Explanation:
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