SOLUTION: The radius of the magnetic disk in a 3.5-inch diskette is 1.68 in. Find the linear speed of a point on the circumference of the disk if it is rotating at a speed of 387 rev/min. A

Algebra ->  Trigonometry-basics -> SOLUTION: The radius of the magnetic disk in a 3.5-inch diskette is 1.68 in. Find the linear speed of a point on the circumference of the disk if it is rotating at a speed of 387 rev/min. A      Log On


   



Question 521388: The radius of the magnetic disk in a 3.5-inch diskette is 1.68 in. Find the linear speed of a point on the circumference of the disk if it is rotating at a speed of 387 rev/min.
Answer in units of in/sec

Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
radius = 1.68 inches
1 revolution = 1circumference
2*3.14*1.68 =10.55 inch
387 rev /minute
387*10.55= 4083 inch/minute