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The difference between angular speed of minute hand and second hand of a clock is

A)59π/900 rad/s

B)59π/1800 rad/s

C)59π/2400 rad/s

D)59π/3600 rad/s
from JEE main 2015
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1 Answer

 
verified

B) is the correct answer 59π/1800 rad/s 

Explanation::

Angular speed of minute hand 

\(\omega_m={2π\over 60×60}\) 

Angular speed of second hand 

\(\omega _s ={2π\over60}\) 

\(\therefore \omega_m-\omega_s={2π\over60}-{2π\over60×60}\) 

=\({59π\over 1800} rad/s\)

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