Which moon did the Huygens spacecraft land on?
A) Titan B) Ganymede C) Triton D) Callisto E) Europa
A
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In a 60-Hz RLC circuit, the phase angle is positive. The values of the resistance, inductance, and the capacitance are now doubled. Which of the following is now true about the phase angle?
a. It is still positive. b. It could be zero. c. It will be negative. d. It could be positive, negative, or zero, but it cannot be greater than its original value.
Two masses are suspended by cord that passes over a pulley with negligible mass. The cord also has negligible mass. One of the masses, 
has a mass of 5.0 kg and the other mass,
has a mass of 3.0 kg. The acceleration of 
is
A. 3.3 
upward.
B. 3.3 upward.
C. 2.5 upward.
D. 2.5 upward.
E. 1.1 upward.
As with Uranus, the solar equator rotates slower than sunspots at higher latitudes
Indicate whether the statement is true or false
A bubble having a diameter of 1.00 cm is released from the bottom of a swimming pool where the depth is 5.00 m. What will the diameter of the bubble be when it reaches the surface? The temperature of the water at the surface is 20.0°C, whereas it is 15.0°C at the bottom. (The density of water is 1.00 × 103 kg/m3.)
A. 1.05 cm B. 1.15 cm C. 1.45 cm D. 1.65 cm E. 1.35 cm