A cube of material with emissivity of 0.4 is heated from room temperature of 20°C to 100°C. The net power radiated by the cube is 20 W. What is the volume of the cube? (? = 5.6696 × 10^–8 W/m2·K4
a. 0.0014 m3
b. 0.012 m3
c. 0.11 m3
d. 1.8 m3
a
You might also like to view...
Along the edges of plates, volcanism and earthquakes are common on Earth
a. True b. False Indicate whether the statement is true or false
The resistivity of the material of a wire is 1.76 × 10-8 ?m. If the diameter of the wire is 2 × 10-3 m and its length is 2 m, what is its resistance?
A) 112 ? B) 11.2 ? C) 1.12 ? D) 0.112 ? E) 0.0112 ?
In a game of pool, the white cue ball hits the #5 ball and stops, while the #5 ball moves away with the same velocity as the cue ball had originally. Both balls have the same mass. This type of collision is
A) somewhat inelastic. B) elastic. C) completely inelastic.
"For every action there is an equal and opposite reaction" is a statement of Newton's
a. law of universal gravitation. b. first law. c. second law. d. third law.