The necessary condition to produce an artesian system is
A) an unconfined aquifer that intersects the land surface.
B) a confined aquifer under sufficient pressure.
C) a confined aquifer that intersects the water table.
D) any of these
Answer: B
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The angle of incidence can vary between zero and
A) 1 radian. B) ?/2 radians. C) ? radians. D) 2? radians. E) 3?/2 radians.
Find the orbital speed of an ice cube in the rings of Saturn. The mass of Saturn is 5.68 x 1026 kg, and use an orbital radius of 1.00 x 105 km. (G = 6.67 × 10-11 N ? m2/kg2)
A) 19.5 km/s B) 27.5 km/s C) 13.8 km/s
A circular coil lies flat on a horizontal surface. A bar magnet is held above the center of the coil with its north pole pointing down
If the magnet is dropped from this position what is the direction of the induced current in the coil, as viewed from above? A) counterclockwise B) clockwise C) An emf but no current is induced in the coil. D) There is no current in the coil.
What must be your average speed in order to travel 350 km in 5.15 h?
A) 66.0 km/h B) 67.0 km/h C) 68.0 km/h D) 69.0 km/h