The source of particles for Jupiter's rings is ________.
A. ice geysers on Enceladus
B. collisions between debris and two small moons
C. gravitationally captured interplanetary dust
D. volcanic eruptions on Io
E. material pulled in by Jupiter's magnetic field
Answer: B
You might also like to view...
Refracting Telescope: The angular magnification of a refracting telescope is 40. When the object and final image are both at infinity, the distance between the eyepiece and the objective is 143.5 cm. The telescope is used to view a distant radio tower. The real image of the tower, formed by the objective, is 6.0 mm in height. The focal point of the eyepiece is positioned at the real image. What is the focal length of the objective lens?
A. 138 cm B. 139 cm C. 140 cm D. 141 cm
A driver, traveling at 22. m/s, slows down her 1500. kg car to stop for a red light. What work is done by the friction force against the wheels?
What will be an ideal response?
The primary coil of an ideal transformer has 600 turns and its secondary coil has 150 turns. If the current in the primary coil is 2 A, what is the current in its secondary coil?
A) 8 A B) 2 A C) 1/2 A D) 4 A E) 1/4 A
In the hydraulic device shown, when the small piston is pushed down 10 cm with a force of 10 N, the large piston is raised 1 cm. This means that the large piston is capable of lifting
1) 10 N, 2) 100 N, 3) 1000 N, 4) any amount of weight, which illustrates 5) that impulse is equal to a change in momentum. 6) (F × d) input = (F × d) output. 7) Newton's second law. 8) that the stored energy that a body possesses may be transformed into other forms of energy.