Nitrogen gas, ch4, flowing in a 5-cm-diameter pipe at 15°c and 200 kpa, at the rate of 0.05 kg/s, encounters a partially closed valve. if there is a pressure drop of 30 kpa across the valve and essentially no temperature change, what are the velocities upstream and downstream of the valve?

the answer is a)

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the five characteristics of adolescence are biological growth and development, and undefined status, increased decision making, increased pressure and the search of self.

answer; how far out of place which the object finished relative to the starting location;

find the surface area of the sphere to the nearest square unit. use a calculator.

a. 254 in.2

b. 64 in.2

c. 127 in.2

d. 1,018 in.2