Whereas potential energy is measured in joules, electric potential is measure in
A. volts.
B. joules/coulomb.
C. both are the same.
D. none of the above
Answer: C
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An iron ball and a wooden ball of the same size are dropped from a tall tower. Taking air resistance into account, the ball to hit the ground first will be the
A. iron ball. B. wooden ball. C. Both hit at the same time. D. not enough information
Characteristic of Zambia (south-central Africa):
From Table 29.1, the biome map, and the climate map, determine the terrestrial biome that best characterizes each of the following descriptions and write its name on the first line provided. On the second line, relate it to temperature and precipitation regimes and/or global pressure and wind belts outlined at the end of Section 1.
Why are the mid-ocean ridges higher in elevation than the surrounding ocean floor?
A) The force of magma extruding from the fissure pushes the seafloor up. B) Warmer material near the ridge is less dense, so it is more buoyant on the mantle. C) The collision of the tectonic plates is forcing material higher. D) Thermal springs developing in stress fractures are depositing large volumes of material, increasing the height.
What component of wave structure causes the wave crest to tumble forward onto the surface of shallow water or the beach?
A. swash B. trough C. wavelength D. breaker E. backwash