Find the maximum value over all discrete time of x [n] = ramp [n + 4] ramp [5 ? n] .
What will be an ideal response?
Answer: 20
Solution:
This function is zero for n ? -4 and for n ?5. Between those two limits the function has these values
So the maximum value is 20.
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A piston-cylinder device is filled with 5 kg of liquid water at 150°C. The specific volume of the liquid water is 0.0010905 m3/kg. Heat is added to the water until some of the water boils, giving a liquid-vapor mixture with a specific volume of 0.120 m3/kg . The pressure of the water is 475.8 kPa. How much work was done by the expanding water vapor?
Given: m = 5 kg; v1 = 0.0010905 m3/kg; v2 = 0.120 m3/kg; P = 475.8 kPa What will be an ideal response?
Which of the following pipe diameters requires the fewest threads per inch?
a. 1/2 inch b. 1 inch c. 2 inches d. 3 inches
You are a member of a group composed of a production supervisor, an executive secretary,
a plant manager, and the firm's chief legal council. The group has an unspecified time horizon and came into being on its own. What kind of group is this?
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Which device illuminates a different color when connected to power or ground sides of a circuit?
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