devikrishnaaruketty
devikrishnaaruketty devikrishnaaruketty
  • 02-08-2018
  • Physics
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The length of the minute hand of the clock is 14cm. Calculate the speed with which the tip of the minute hand moves

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Cetacea
Cetacea Cetacea
  • 02-08-2018

Speed of the tip of the minute hand=V=0.0244 cm/s

Explanation:

The angular velocity of the minute hand is given by

[tex] \omega= \frac{2\pi}{T} [/tex]

T= time period of the minute hand=60 min=3600 s

so ω= 2 π/3600 rad/s

Now linear velocity v= r ω

r= radius of minute hand=14 cm

so v= 14 (2 π/3600)

V=0.0244 cm/s

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