Part A Calculate the angular velocity (in r a d / s ) of the second, minute, and

Question

Part A Calculate the angular velocity (in rad/s) of the second, minute, and hour hands on a wall clock. Part D What is the period of each of these hands? seconds, minute and hours?

Part A Calculate the angular velocity (in rad/s) of the second, minute, and hour hands on a wall clock. Part D What is the period of each of these hands? seconds, minute and hours?

Part A Calculate the angular velocity (in rad/s) of the second, minute, and hour hands on a wall clock. Calculate the angular velocity (in rad/s) of the second, minute, and hour hands on a wall clock. Part D What is the period of each of these hands? seconds, minute and hours?

Part D What is the period of each of these hands? seconds, minute and hours?

Explanation / Answer

an hour hand covers 360 degree = 6.28 rad in 12 hour

angular velocity of an hour hand = 6.28/(3600 *12) = 0.0017/12 =1.41* 10^-4 rad/s

similarly second hands takes 60 sec to cover 6.28 radians

so its angular velocity = 0.104

similarly minute hand takes 3600 seconds

minute hand angular velocity = 0.0017

the period of second's hand is 60 sec

the period of minute hand is 3600 sec

the period of hour hand is 43200 sec

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