A uniform rod is 3.0 m long. The rod is pivoted about a horizontal, frictionless pin through one end. The rod is released from rest at an angle of 27° above the horizontal. What is the angular speed of the rod as it passes through the horizontal position?
a. 3.0 rad/s
b. 2.8 rad/s
c. 2.1 rad/s
d. 2.5 rad/s
e. 3.4 rad/s
C
You might also like to view...
If you walk towards a mirror at a certain speed, the relative speed between you and your image is
A) half your speed. B) your speed. C) twice your speed. D) none of the above
An automobile travels due north with a speed of 68 km/h and an acceleration of 1.5 m/s2 . All forces considered, the unbalanced force acting on the auto is
a. zero. b. southward. c. northward. d. downward. e. upward.
In western movies you often see a person putting his ear against the rails in the train tracks to find out if a train is approaching
Why would this give him advance knowledge of the approach of a train?
A 12-L volume of oil is subjected to pressure which produces a volume strain of -3.0 × 10-4. The bulk modulus of the oil is 6.0 × 109 Pa and is independent of the pressure. The reduction in the volume of the oil in milliliters is closest to
A) 2.0 mL. B) 3.6 mL. C) 2.8 mL. D) 2.4 mL. E) 3.2 mL.