The Q value for the following reaction, , is (in MeV) m(alpha) = 4.002 603 u m(Be) = 9.012 182 u m(n) = 1.008 665 u m(C) = 12.000 00 u 1 u = 1.66 × 10^?27 kg
a. 8.4
b. 6.2
c. 7.3
d. 5.7
e. 3.5
d
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A compact heat exchanger uses finned tubes as shown in Figure 9-30, spacing B. Determine the pressure drop and the convective heat transfer coefficient for air passing around the finned tubes at 27ºC, 5 m/s and with viscosity of 0.02 g/m?s. Air leaves the finned tubes at 100ºC. Also, determine the heat exchanger volume per unit surface area of heat exchange.
Which of the following best defines a font family?
A. CSS specification that identifies the preferred font as well as backup fonts. B. A list of web-safe fonts. C. A font standard that includes compression. D. An embedded font, specified in the CSS for a webpage.
At what frequency will the Inductive Reactance of 44. mH be equal to the Capacitive Reactance of a 27. pF capacitor?
What will be an ideal response?
A pulley system can
A) change the direction of a force. B) multiply a force. C) both of these D) none of the above