Which of the Galilean Moons may have a subsurface layer of liquid water?
What will be an ideal response?
Europa and Ganymede
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If a rock sample contains uranium and lead, but no lead-204 is present, then
a. all the lead is radiogenic. b. all the lead is primordial. c. both radiogenic and primordial lead are present. d. neither radiologic nor primordial lead is present.
Two solenoids of equal length are each made of 2000 turns of copper wire per meter. Solenoid I has a 5.00 cm radius; solenoid II a 10.0 cm radius. When equal currents are present in the two solenoids, the ratio of the magnitude of the magnetic field BI along the axis of solenoid I to the magnitude of the magnetic field BII along the axis of solenoid II, BI/BII, is
a. 1/4. b. 1/2. c. 1. d. 2. e. 4.
A car starts from rest and accelerates with a constant acceleration of 1.00 m/s2 for 3.00 s. The car continues for 5.00 s at constant velocity. How far has the car traveled from its starting point?
A) 24.0 m B) 9.00 m C) 19.5 m D) 4.50 m E) 15.0 m
In which one of the following flows must compressibility be considered?
(A) Flow around a commercial jet at takeoff (B) A category 5 hurricane (C) A Corvette at full-throttle on the Salt Lake Flats (D) Flow around the wing of a commercial aircraft in its approach to an airport