Perigee is the point in ____
a. the Moon's orbit when the Moon is farthest from Earth
b. an object's orbit around Earth when the object is closest to Earth
c. an object's orbit around Earth when the object is closest to the Sun
d. a planet's orbit when the planet is closest to its sun
e. a planet's orbit when the planet is farthest from its sun
b
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A 4.0-?F capacitor that is initially uncharged is connected in series with a 4.0-k? resistor and an ideal 17.0-V battery. How much energy is stored in the capacitor 17 ms after the battery has been connected?
A) 250,000 nJ B) 15,000 kJ C) 25 µJ D) 890 nJ
The acceleration of an object does not have to be in the same direction as the net force applied to it
Indicate whether the statement is true or false
At what frequency does a 10. ?F capacitor have a reactance of 0.12 k??
What will be an ideal response?
Density: Substance A has a density of 3 g/cm3 and substance B has a density of 4 g/cm3. In order to obtain equal masses of these two substances, what must be the ratio of the volume of A to the volume of B?
A. 
= 
B. 
= 
C. 
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D. 
= 
E. 
= 