Ethene and ethane are
a. isomers.
b. the same compound.
c. neither isomers nor the same compound.
c
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A microprocessor chip (10 mm *10 mm square) is to be cooled by an impinging circular air jet that is directed on the chip surface by a 5-mm diameter nozzle, placed at a distance of 10 mm. The electrical activity in the microcircuits of the chip render a uniform surface heat flux condition. For safe operation of the microprocessor, the chip- surface temperature should not exceed 90°C. If air at 20°C flows through the nozzle with a velocity of 10 m/s, and the maximum heat dissipated by the chip is 1.25 W, is this jet- impingement cooling system able to maintain the entire chip surface at a safe operating temperature?
GIVEN
FIND
Whether the jet impinging cooling system be able to maintain the entire chip surface to safe operating
temperature.
A roller coaster car is on a track that forms a circular loop in the vertical plane. If the car is to just maintain contact with track at the top of the loop, what is the minimum value for its centripetal acceleration at this point?
A) g downward B) 0.5g downward C) 2g downward D) g upward E) 2g upward
If the dark nebula are really dark, how do we know they are there?
What will be an ideal response?
Calculate the magnitude of the flux of a constant electric field of 5.00 N/C in the z-direction, through a rectangle with area 4.00 m2 in the xy-plane
1.0 2.10.0 N·m2/C 3.20.0 N·m2/C 4.More information is needed.