Angular velocity and time
Not what you're looking for?
A person with a 50cm ponytail is using a lathe which is turning at 300rpm. The person turns their head, catching the end of the ponytail in the work piece, which has a diameter of 7cm. How long will it take the person's head to be dragged into the lathe?
Purchase this Solution
Solution Summary
The expert examines angular velocity and time.
Solution Preview
The circumference of the work pice is given by C= pi*d= 7pi = 21.99cm
As the work piece makes 300 rpm and 1 rev ...
Purchase this Solution
Free BrainMass Quizzes
Classical Mechanics
This quiz is designed to test and improve your knowledge on Classical Mechanics.
Variables in Science Experiments
How well do you understand variables? Test your knowledge of independent (manipulated), dependent (responding), and controlled variables with this 10 question quiz.
Basic Physics
This quiz will test your knowledge about basic Physics.
The Moon
Test your knowledge of moon phases and movement.
Intro to the Physics Waves
Some short-answer questions involving the basic vocabulary of string, sound, and water waves.