Physics
WAEC 1997
An object of mass 0.40 kg attached to the end of a string is whirled around in a horizontal circle of radius 2.0m with a constant speed of 8\(ms^{-1}\). Calculate the angular velocity of the object
-
A.
0.8rad\(s^{-1}\)
-
B.
2 rad\(s^{-1}\)
-
C.
4 rad\(s^{-1}\)
-
D.
8 rad\(s^{-1}\)
-
E.
16 rad\(s^{-1}\)
Correct Answer: Option C
Explanation
V=rw, 8=2w, w=8/2= 4rad/s
Report an Error
Ask A Question
Download App
Quick Questions
Contributions ({{ comment_count }})
Please wait...
Modal title
Report
Block User
{{ feedback_modal_data.title }}