A series RLC circuit has a 100-? resistor, 4.00-mH inductor and a 0.100-?F capacitor connected across a 120-V rms ac source at the resonant frequency. What is the power dissipated by the circuit?
A) 100 W
B) 120 W
C) 144 W
D) 160 W
E) 45.8 W
C
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Calculate the total entropy change that occurs when 2.00 kg of lead at 40.0°C are placed in a very large quantity of water at 10.0°C. The specific heat of lead is 0.031 cal/(g?K)
A) 190 J/K B) 100 J/K C) 6.6 J/K D) 6.2 J/K E) 1.4 J/K
Three objects are connected by massless wires over a massless frictionless pulley as shown in the figure. The tension in the wire connecting the 10.0-kg and 15.0-kg objects is measured to be 133 N. What is the mass M?
A) 8.33 kg B) 33.9 kg C) 35.0 kg D) 52.8 kg E) 95.0 kg
Alyssa throws a snowball horizontally from the top of a roof; Ryan throws a snowball straight down from the same point. Once in flight, the acceleration of Alyssa’s snowball is _____ the acceleration of Ryan’s snowball.
A. greater than B. less than C. equal to
Partially decomposed organic matter in the soil is
What will be an ideal response?