In the figure below, a hoop (radius R = 1.0 m, mass = 2.0 kg) having four spokes of negligible mass is suspended from a pivot a distance d = .25 m above its center of mass. The angular frequency (in rad/s) for small oscillations is approximately
?
?
A. 4.0.
B. 2.5.
C. 1.5.
D. 1.0.
E. 0.5.
Answer: C
You might also like to view...
A 56.0 kg bungee jumper jumps off a bridge and undergoes simple harmonic motion. If the period of oscillation is 11.2 s, what is the spring constant of the bungee cord, assuming it has negligible mass compared to that of the jumper?
A) 17.6 N/m B) 21.1 N/m C) 28.2 N/m
Compared with protons, neutrons are more effective nuclear bullets in nuclear reactions since they have
A) slightly greater mass than a proton. B) no charge. C) a wider cross-section than a proton. D) all of the above E) none of the above
You are using a piece of string and two tacks to draw ellipses on a piece of paper
How can you draw two ellipses with the same semi-major axes but different eccentricities? How can you draw two ellipses with the same eccentricity but with the semi-major axis of one double the other?
The greatest cause of hurricane deaths is
a. the storm surge. b. panic. c. the eye. d. high winds.