In designing buildings to be erected in an area prone to earthquakes, should you try to have a small or a large amount of damping?
What will be an ideal response?
If the earthquake frequency corresponds to a natural frequency of the building, a large amount of damping is desirable because the maximum response is reduced.
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Of the following photons, which has the lowest energy?
a. visible c. infrared b. ultraviolet d. microwave
Which of the following telescopes must be used above Earth's atmosphere?
A) An optical telescope B) A microwave telescope C) An X-ray telescope D) A radio telescope
The "acceleration of gravity" is 9.8 m/s2 everywhere on the surface of the Earth
Indicate whether the statement is true or false
Which of the following is not an example of tectonics?
A) the gradual disappearance of a crater rim as a result of wind and rain B) the formation of a cliff when the lithosphere shrinks C) the slow movement of Earth's lithospheric plates D) the stretching of the crust by underlying mantle convection