Question

Find the linear speed of tip of minute hand of the clock , if its length is 0.25m ?

Answer 1

Find the linear speed of tip of minute hand of the clock , if its length is 0.25m ?

Length = 0.25 m will be equal to radius

Radius (R) = 0.25 m

Minute clock complete a circle in 60 mins

60 mins = 60 * 60 = 3600 sec

1 complete circle = 2 π R

= 2 * 3.14 * 0.25

= 1.57 m

Linear Speed = 1.57/3600 m/s

= 0.00043611 m/s

= 436.11 * 10⁻⁶ m/s

= 436.11  μm/s

Anglular Speed = 2π / 3600

= 2 * 3.14/3600

= 0.001744 rad/s

= 1.744 * 10⁻³ rad/s