Calculate the angular velocity and linear velocity of a tip of minute hand of length 10 cm.


 Calculate the angular velocity and linear velocity of a tip of minute hand of length 10 cm.


 

Solution


Given –

Radius of tip of minute hand = r  = 0 cm    = 0.1 m

As minute hand takes one hour to complete one rotation (i.e. 360o or 2 π radian)

The time period of the tip of minute hand can be given as

=  T            =      1hr           =  60 min      = 3600 sec

The angular velocity of any particle performing circular motion can be given as time rate of change of angular displacement

W = (dθ)/ (dt)

W= (2 π) / T

W= (2 X 3.14 ) / 3600

W= 1.745 X 10 -3 rad / sec

The linear velocity (v) at the tip of minute hand is

V = r X w

V = 0.1  X 1.745 X 10 -3

V = 1.745 X 10 -4 m/s

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Milan Tomic

Hi. I’m Designer of Blog Magic. I’m CEO/Founder of ThemeXpose. I’m Creative Art Director, Web Designer, UI/UX Designer, Interaction Designer, Industrial Designer, Web Developer, Business Enthusiast, StartUp Enthusiast, Speaker, Writer and Photographer. Inspired to make things looks better.

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