A uniform rod (mass m = 1.0 kg and length L = 2.0 m) pivoted at one end oscillates in a vertical plane as shown below. The period of oscillation (in s) is approximately
?
?
A. 4.0.
B. 1.6.
C. 3.2.
D. 2.3.
E. 2.0.
Answer: D
You might also like to view...
The Moon's crust is thicker on the side facing Earth
a. True b. False Indicate whether the statement is true or false
Assume a gram of a substance marketed as "Pure Energy" is annihilated by a gram of a second substance "Anti-Pure Energy." How long would the energy released power a city which uses 109 watts of power?
a. 40 hrs b. 25 hrs c. 50 hrs d. 65 hrs e. 50 000 hrs
Power: For the graph shown in the figure, what physical quantity does the slope of the graph represent for a dc circuit?
A. 1/(current) B. resistance C. 1/(resistance) D. current E. resistivity
The figure shows a 2000 kg cable car descending a high hill. A counterweight of mass 1800 kg on the other side of the hill aids the brakes in controlling the cable car's speed. The rolling friction of both the cable car and the counterweight are negligible. How much braking force does the cable car need to descend at constant speed?
A) 3800 N B) 2900 N C) 2000 N D) 980 N