In order that a single process be both isothermal and isobaric:
A. one must use an ideal gas
B. such a process is impossible
C. a change of phase is essential
D. one may use any real gas such as N2
E. one must use a solid
Answer: C. a change of phase is essential
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"Annual motion" refers to changes in the positions of stars in the sky as the result of ________.
A. the Sun's orbit around the center of the galaxy B. the motion of the Sun around Earth C. Earth's rotation on its axis D. Earth's motion as it orbits the Sun E. the rotation of the celestial sphere around Earth
A car enters a 300-m radius horizontal curve on a rainy day when the coefficient of static friction between its tires and the road is 0.600. What is the maximum speed at which the car can travel around this curve without sliding?
A) 29.6 m/s B) 33.1 m/s C) 24.8 m/s D) 42.0 m/s E) 37.9 m/s
A diffraction grating with 10 rulings is illuminated by a light source. When do other wavelengths begin to distinguish themselves from 500 nm in the second order?
1.at 475 nm and 525 nm 2.at 450 nm and 550 nm 3.at 495 nm and 505 nm 4.at 487.5 nm and 512.5 nm
What is the terminal velocity of an 80.00-kg mass object in falling with a drag force with a magnitude that depends on speed, v, as Fdrag = (12.0 N?s/m)v + (4.00 N?s/m)v2?
A) 6.45 m/s B) 72.2 m/s C) 34.2 m/s D) 12.6 m/s E) 47.3 m/s