James moves in a circular path (radius 15.0 m) with a speed of ...

[jman1234]

James moves in a circular path (radius 15.0 m) with a speed of 60.0 m/s. His ANGULAR VELOCITY is
 
  A) 120/ rpm.
  B) 120 radians/s.
  C) 120. rev/s.
  D) 120 radians/s.
  E) 120/ radians/s.

Question 2

A string fixed at both ends is vibrating in its 8th harmonic.
 
  (a) How many nodes are on the string?
  (b) The 8th harmonic wavelength is what fraction of the string length?
  (c) If the 8th harmonic frequency is 976. Hz, what is the frequency of the 2nd overtone?

[Hikerman221]

Answer to Question 1

A

Answer to Question 2

(a) 9 nodes
(b) 1/4
(c) 366. Hz

[jman1234]

Excellent

[JaynaD87]

Thanks for the timely response, appreciate it