For the following mechanical system, construct the block diagram model and find the transfer function, x/f.
What will be an ideal response?
Observe that at zero frequency, D=0 , the transfer function reduces to 
. At this frequency the damper effectively removes the entire right side of the circuit because it is “actuated” by speed, not displacement.
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Which type of GFCI receptacle offers protection only at the point of installation?
a. Unlisted b. Feed-through c. Solid-state d. Nonfeed-through
Why is genetic engineering preferred over traditional breeding methods among scientists for producing new varieties of plants and animals?
What will be an ideal response?
The byproduct of a hydrocarbon fuel after it is completely burned are which of the following fluids?
A. water B. oxygen C. carbon dioxide D. carbon monoxide E. both a and c
If a contractor saves 35.5 hours of a mason's time and a laborer's time each, and the mason earns $22.50 an hour and the laborer earns $13.70 an hour, what is the dollar amount of savings to the contractor?
What will be an ideal response?