Rather than being a planet, Pluto is really just a large member of
A) the Kuiper belt.
B) an extrasolar planetary system.
C) the Oort cloud.
D) the moon system around Neptune.
E) the asteroid belt.
A
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Thermodynamic Processes: The figure shows a pV diagram for 0.0077 mol of ideal gas that undergoes the process 1 ? 2 ? 3. What is the volume V3? (R = 8.31 J/mol ? K)
A. 770 cm3 B. 260 cm3 C. 520 cm3 D. 400 cm3
What observational evidence supports the idea that Mercury once shrank by some 20 kilometers in radius?
A) the presence of many long, tall cliffs B) the presence of many impact craters C) the characteristics of the Caloris Basin D) Mercury's unusually high density
Angular momentum is conserved
A. only when the net force acting on the system is zero B. only when the angular velocity is zero C. only when the net torque acting on the system is zero D. in all cases
A proton has a total energy of 2.5 × 10?10 J. How fast is it moving? (mp = 1.67 × 10?27 kg)
A. 0.90c B. 0.80c C. 0.70c D. 0.60c E. 0.40c