A 50 m long by 5 m diameter rocket at launch is moving upward at 180 km/h when its sides are at -45ºC and the surrounding air is 25ºC. Estimate the heat transfer from the surrounding air.
What will be an ideal response?
Physics & Space Science
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The essentials of the first law of motion were initially developed by
a. Aristotle. b. Galileo. c. Newton. d. an unknown scientist.
Physics & Space Science
The most common igneous rock is
A) basalt. B) andesite. C) granite. D) none of these
Physics & Space Science
Ceramics are often used in high ______________applications.
Fill in the blank(s) with the appropriate word(s).
Physics & Space Science
What is the highest frequency of the photons produced by a 29-kV x-ray machine? (h = 6.63 × 10^?34 J?s)
a. 4.4E+18 Hz b. 7.0E+15 Hz c. 4.4E+15 Hz d. 7.0E+18 Hz e. 3.1E+20 Hz
Physics & Space Science