A block of wood has specific gravity 0.80 . When placed in water, what percent of the volume of the wood is above the surface?
a. 0, the block sinks.
b. 20%
c. 80%
d. 50%
e. 100%
b
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Molecular Vibration: In its lowest quantum state, the energy of a diatomic harmonic oscillator having frequency f is
A. hf/4. B. hf/2. C. hf. D. 3hf/2.
My Greenland precipitation paper is currently under peer review. Which of the following is a place for original peer reviewed literature to be published?
a. The New York Times newspaper b. Time Magazine c. Scientific American Magazine d. The Journal of Geophysical Research e. The Metropolitan newspaper
When a damping force is applied to a simple harmonic oscillator which has angular frequency ?0 in the absence of damping, the new angular frequency ? is such that
A. ??0. D. ?T?0T0.
If a tree is 15 m tall, its height expressed in feet is x ft, where x is
A) less than 15. B) greater than 15.