A Christmas ornament made from a thin hollow glass sphere hangs from a small hook at its surface. It is observed to oscillate with a frequency of 2.50 Hz in a city where g = 9.80 m/s2
What is the radius of the ornament? The moment of inertia of a hollow sphere of mass M and radius R about a point on its edge is 5MR2/3.
A) 1.84 cm
B) 3.68 cm
C) 2.38 cm
D) 3.98 cm
E) 4.69 cm
C
You might also like to view...
Which types of galaxies have a clearly defined disk component?
A) spirals only B) ellipticals only C) irregulars only D) both spirals and ellipticals
How many 2d electron states can an atom have?
A) 8 B) 0 C) 4 D) 10 E) 6
A(n) ____ is well supported (observationally and/or experimentally) system of rules and principles that can be applied to a wide variety of circumstances
a. hypothesis b. paradigm c. theory d. model
Which would experience a greater buoyant force when placed in a beaker of water, a one-inch cube of steel or a one-inch cube of cork?
a. The cork because it floats. b. The steel because it is completely submerged. c. They experience the same buoyant force because they have the same volume. d. The cork because its volume is larger. e. The steel because its volume is larger.