Which of the following statements is not an observed pattern of motion in our solar system?
A) Most planets orbit at the same speed.
B) All planets orbit the Sun in the same direction.
C) Most planetary orbits lie nearly in the same plane.
D) Most planets rotate in the same direction in which they orbit.
E) Almost all moons orbit their planet in the same direction as the planet's rotation.
A
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Which of the following is NOT a way in which we move through the universe?
a. The Milky Way orbits the center of the universe. b. Our solar system orbits the center of our galaxy. c. The Earth orbits the Sun. d. The Earth is spinning on its axis.
One form of the proper metric unit for momentum is
A. Kg·m. B. N·sec. C. Kg·m/s2. D. Joule.
A series circuit has a 100-? resistor, 2.00-mH inductor and a 4.00-?F capacitor connected across a 120-V rms ac source at 1000/? Hz. What is the power dissipated by the circuit?
A) 18.6 W B) 180 W C) 91.8 W D) 184 W E) 58.4 W
The figure below shows a planet traveling in a counterclockwise direction on an elliptical path around a star located at one focus of the ellipse. When the planet is at point A,
A. its speed is decreasing. B. its angular momentum is increasing. C. the gravitational force does no work on the planet. D. all of the above are correct. E. none of the above is correct.