Which of the following has the lowest thermal conductivity?
a. Glass
b. Iron
c. Wood
d. Styrofoam
d
You might also like to view...
Active galactic nuclei were first found through observations in the ____ wavelength band
a. visible b. infrared c. X-ray d. radio e. ultraviolet
As shown in the figure, a wire and a 10-? resistor are used to form a circuit in the shape of a square, 20 cm by 20 cm
A uniform but nonsteady magnetic field is directed into the plane of the circuit. The magnitude of the magnetic field is decreased from 1.50 T to 0.50 T in a time interval of 63 ms. The average induced current and its direction through the resistor, in this time interval, are closest to A) 63 mA, from b to a. B) 38 mA, from b to a. C) 63 mA, from a to b. D) 38 mA, from a to b. E) 95 mA, from a to b.
Some power plants extract energy from the warm ocean currents. A major disadvantage to these power plants is that
A. the amount of heat released to the environment is unacceptable. B. the cost of warm ocean water is quite high. C. the efficiency is quite low. D. there is no low temperature reservoir.
How is Titan different from all the other Jovian satellites?
a. Titan has frozen water on its surface b. Titan has a heavily cratered surface. c. Titan has a thick atmosphere. d. Titan is the largest moon in the Solar System. e. Titan has a young, very reflective surface.