What is the wavelength of a wave described by the following function: y(x,t) = (2.00 m)cos[(3.00 m-1)x + (5.00 s-1)t]
A)
2.09 m
B)
3.00 m
C)
5.00 m
D)
1.26 m
E)
0.333 m
A
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A series combination of a 48.0-?F capacitor and a resistor are connected to a 12-V battery. After one second, the voltage across the capacitor is 10 V. What is the resistance of the resistor?
a. 11.6 k? b. 3.47 k? c. 37.3 k? d. 208 k?
Consider a quanton in a box. How does the wavelength ? of an energy eigen function in this case depend on the energy E corresponding to that eigen function?
A. ? ? E
B. ? ?
C. ? is independent of E.
D. ? ? 
E. ? ? 1/E
Imagine a steel pipe that doesn't leak from the sides and is already filled with water. Water enters at a rate of 2 kg/s but leaves at a rate of 1 kg/s. Which of the following is true?
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A) the area. B) the current. C) the magnetic field.