The 1.00 cm long second hand on a watch rotates smoothly. (a) What is its angular velocity? (b) What is the speed of the tip of the hand?
time period ,T= 60 seconds
angular velocity,w=2*pi/T= 0.10466 rad/s
speed=r*w= 0.10466cm/s = 1.0466*10^-3 m/s
The 1.00 cm long second hand on a watch rotates smoothly. (a) What is its angular...
The 1.50-cm-long second hand on a watch rotates smoothly. A)What is its angular velocity? b)What is the speed of the tip of the hand?
The 2.00-cm-long second hand on a watch rotates smoothly. what is its angular velocity?
The 7.00-cm-long second hand on a watch rotates smoothly. What is its angular speed? Express your answer using three significant figures. Part B What is the speed of the tip of the hand? Express your answer to three significant figures and include the appropriate units. include all units
The 7.00-cm-long second hand on a watch rotates smoothly. Part A What is its angular speed? Express your answer in radians per second to three significant figures rad/s Submit ▼ Part B What is the speed of the tip of the hand? O Type here to search Problem 7.11 Enhanced with Feedback rad/s Submit Request Answer Part B What is the speed of the tip of the hand? Express your answer with the appropriate units. u= 1 Value Submit Request...
The 8.50-cm-long second hand on a watch rotates smoothly. What is the speed of the tip of the hand? please include correct units
The sweeping second hand on your wall clock is 16 cm long. Assume the second hand moves smoothly. A) What is the rotational speed of the second hand? Express your answer in radians per second to two significant figures. B) Find the translational speed of the tip of the second hand. Express your answer with the appropriate units. C) Find the rotational acceleration of the second hand. Express your answer in radians per second squared.
A clock has a minute hand that is 12cm long. a. What is the angular speed of the minute hand? Give your answer in radians per second. Give an exact answer. (Hint: how long does the minute hand take to make a complete rotation?) b. What is the linear speed of the tip of the minute hand? Give an exact answer in cm per second.
A wheel rotates clockwise 10 times per second. What is its angular speed? B. What will be its angular displacement after 3 seconds? C. What will be the tangential velocity of the outside of the wheel?
6. The angular speed of the second hand of a watch is: A. (17/1800) rad/s B. (TT/60) rad/s C. (TT/30) rad/s D. (2T) rad/s E. (60) rad/s
An ordinary workshop grindstone has a radius of 7.50 cm and rotates at 6500 rev/min. (a) What is its angular velocity in radians per second? (b) Calculate the centripetal acceleration at its edge in meters per second squared (c) What is the linear speed of a point on its edge?