When alternating current is used, there are often voltage spikes due to power surges, circuit characteristics, or lightning.
Answer the following statement true (T) or false (F)
True
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A Ford Ranger with a mass of 2 825 kg is traveling at a velocity of 55 mph down a mountain road in Colorado. The brakes fail and the driver elects to use a “runaway” truck tramp to stop the pickup. What distance in feet will it travel if the ramp has a 25 percent upward incline? Neglect air and road friction (gL = 32 ft/s²).
What will be an ideal response?
Which of the factors below are considered necessary for improvement in living conditions in developing countries?
A) Opportunity for social and economic mobility B) Protection of private property rights C) Market oriented economy D) National unity E) All are considered important. F) None are considered important.
Compared to mechanical thermostats, digital thermostats:
A) Maintain closer temperature control. B) Are generally less flexible in application. C) Allow for wider swings in the controlled temperature. D) Are less expensive.
A system is described by the equation 
Classify the system as to linearity, causality and invertibility.
What will be an ideal response?