In what type of meteorites are Widmanstätten patterns found?
a. stony
b. iron
c. stony-iron
d. carbonaceous
e. centaur
b
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When charging a capacitor with a battery, how would the internal resistance of the battery affect the charging of the capacitor?
What will be an ideal response?
Secondary seismic waves travel ______________ (slower or faster?) than primary waves in solids
Fill in the blank(s) with correct word
During a nuclear reaction, the particles involved lose 4.8 × 10-28 kg of mass. How many joules of energy are released by this reaction? (c = 3.00 × 108 m/s)
A) 4.3 × 10-11 J B) 1.4 × 10-19 J C) 1.6 × 10-36 J D) 2.1 × 10-40 J E) 5.3 × 10-45 J
The planetary model of the atom is a more detailed, or sophisticated, model than the simpler Greek model of the atom. The planetary model is useful because, unlike the Greek model, it can explain
A) the differences between the three states of matter. B) electrical phenomena such as electric current. C) the microscopic meaning of thermal energy. D) certain subtle "quantum" effects. E) gas pressure, including air pressure.