The temperature of a rigid cylinder, 15 cm tall and 15 cm in radius, which is filled with Xenon (a monatomic gas at standard temperature (0oC) and pressure (1 atm). The box is later raised to 25oC. What is the heat input required to perform this act?
A. 490 J
B. 250 J
C. 160 J
D. 300 J
E. 100 J
F. 150 J
F. 150 J
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If the momentum of an object is tripled, its kinetic energy will change by what factor?
a. zero c. three b. one–third d. nine
For microbes to survive the journey in a meteorite from another solar system body to the Earth they would have to survive the
A) impact that blasted the rock off of the surface of its home world B) high energy particles and radiation in space C) entry through our atmosphere D) all of these
If y = 0.02 sin (30x? 400t) (SI units), the velocity of the wave is
A. 3/40 m/s. B. 40/3 m/s. C. 60?/400 m/s. D. 400/60? m/s. E. 400 m/s.
The Moon's orbit around the Earth is tilted by about 5 degrees with respect to Earth's orbit around the Sun. As a result, the approximate number of solar eclipses that occur each year is approximately
A) 0. B) 24. C) 12. D) 2.