The least amount of energy is required to produce forced vibration in an object
A) below its natural frequency.
B) at its natural frequency.
C) above its natural frequency.
B
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Commercial fishing competes with traditional fishing both on the ________ by diminishing local stocks and at ________ by driving down prices
Fill in the blank(s) with the appropriate word(s).
A mud volcano is an effect of ____
a. ?blind thrust earthquakes b. ?reverse thrust earthquakes c. ?liquefaction d. ?slips in subsurface bedrock e. ?shaking at the border of mountain ranges
A radio ad is promoting the increased use of E85 fuel as being economically and environmentally beneficial. There is no mention of disadvantages. You should be skeptical of this ad because ________
A) ethanol fuel may lead to an increase in food prices B) it may take more energy to produce the ethanol than it contains C) only certain cars are designed to run on this fuel blend D) fossil fuels are required to produce the ethanol required for this blend E) All of these are reasons to be skeptical.
Tuberculosis is most likely to be the cause of death in an advanced industrial country
Indicate whether the statement is true or false