Jane drove her car from Columbus, Ohio to
Cleveland, Ohio. She traveled a total
distance of 140 mi in 2.8 hours. Her average
speed was
a) 50 mi/h
b) 0.02 mi/h
c) 56 mi/h
d) 350 mi/h
a
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A cylindrical rod of 3 cm diameter has a surface temperature of 300ºC when in a free stream of engine oil at 80ºC moving at 12 m/s. Determine the heat transfer per unit length of the rod.
What will be an ideal response?
How will an isolated, one solar-mass star die?
A) as a neutron star B) as a black hole C) as a white dwarf supernova D) as a white dwarf E) uncertain, since stars can die in any number of ways
The unit of inductance, the henry, is equivalent to:
a. J/C. c. V•s/A. b. V/m. d. none of the units given.
A liquid cannot be heated simultaneously by conduction, convection, and radiation
Indicate whether the statement is true or false