Saturn's two shepherd moons herd the particles in the F ring
Indicate whether the statement is true or false
TRUE
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Venus has a feature named Aphrodite Terra. What is this feature?
A) a very large volcano B) a large impact crater C) a continental-sized plateau D) a large basin similar to the maria on the Moon E) a great rift valley like Valles Marineris on Mars
The 99 years that revolutionized Astronomy ended with whose death?
a. Aristotle b. Kepler c. Tycho d. Copernicus e. Galileo
A bimetallic strip is usable as a thermometer because of
a. heat conduction b. heat convection c. heat radiation d. thermal expansion e. none of the above
Pascal's Principle: A 12,000-N car is raised using a hydraulic lift, which consists of a U-tube with arms of unequal areas, filled with oil and capped at both ends with tight-fitting pistons. The wider arm of the U-tube has a radius of 18.0 cm and the narrower arm has a radius of 5.00 cm. The car rests on the piston on the wider arm of the U-tube. The pistons are initially at the same level. What is the initial force that must be applied to the smaller piston in order to start lifting the car? For purposes of this problem, neglect the weight of the pistons.
A. 727 N B. 926 N C. 2.90 kN D. 3.33 kN E. 1.20 kN