If you double the absolute temperature of an object, it will radiate energy
A) 16 times faster.
B) 4 times faster.
C) 32. times faster.
D) 8 times faster.
E) 2 times faster.
A
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According to the chart shown in figure Q13.6, how many stable isotopes of 30Zn exist?
A. One
B. Two
C. Three
D. Five
E. There is no way to determine this from the chart.
The speed of a boat is often given in knots. If a speed of 5 knots were expressed in the SI system of units, the units would be:
a. m. b. s. c. m/s. d. kg/s.
Why does a golf ball hit on the Moon travel farther than one hit on Earth? (Neglect air resistance and bad golfers.)
A. The Moon is physically smaller than Earth, so the golf ball only looks like it travels farther. B. The mass of the ball is lower on the Moon, so it is accelerated more easily there. C. The surface gravity is lower on the Moon, so the golf club can be accelerated more easily there. D. The surface gravity is lower on the Moon, so the acceleration of gravity is lower.
Which of the following best describes a substance in which the temperature remains constant while at the same time it is experiencing an inward heat flow?
a. gas b. liquid c. solid d. substance undergoing a change of state