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Thin fins with a 0.002m by 0.02m rectangular cross section and thermal conductivity of 50 W/mK protrude from a wall and have h=600 K/mK and T0 =170C. What is the heat flow rate into each fin and what is the effectivness? T∞=20C.
1. consider a conical pendulum that is a ball of mass m at the end of a string of length li moving in a horizontal
considering a river flowing toward a lake which is 40 m below. it is known that the river flows at a constant velocity
A steel tape is used to measure a distance of 20 m at a 10 0C. Assuming that the tape will measure the true distance when the temperature is 20 0C. What would be the indicated distance at 10 0C? What would be the indicated distance at 400C?
a circular curve of highway is designed for traffic moving at 85 kmh. assume the traffic consists of cars without
an airplane moves forward at a speed w1 971 kph. the frontal intake area of the jet engine is a1 0.8 m2 and the
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a pitot-static tube used to measure air velocity is connected to a differential pressure gage. if the air temperature
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