A cylinder contains a charge Q. The flux through the curved side of the container is 3
kQ. What is the flux through the ends of the cylinder?
A. 3
kQ
B. 5kQ
C. 9kQ
D. 
kQ
E. 0.0
D. kQ
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A charge Q accumulates on the hollow metallic dome, of radius R, of a Van de Graaff generator. A probe measures the electric field strength at various points outside the sphere surface. If the probe is initially at a distance 2R from the sphere's center and then is moved to 3R, by what factor will the electric field reading change?
a. (3/2)2 b. 3/2 c. 2/3 d. (2/3)2 e. 1
Two small objects, with masses m and M, are originally a distance r apart, and the gravitational force that they exert on each other has magnitude F. The second object has its mass changed to 2M, and the distance is changed to r/4
What is the magnitude of the new gravitational force? A) F/32 B) F/16 C) 16F D) 32F E) 2F
A 200-kg flat-bottomed boat floats in fresh water, which has a density of 1000 kg/m3. If the base of the boat is 1.42 m wide and 4.53 m long, to what depth is the bottom of the boat submerged when it carries three passengers whose total mass is
A) 7.10 cm B) 7.53 cm C) 7.95 cm D) 8.52 cm
A nail is stuck into the side of a car tire. As the car drives down a level road at constant speed, which of the following is simple harmonic motion?
A) the motion of the center of the tire B) the vertical component of motion of the nail C) the horizontal component of motion of the nail D) both answers A and B E) none of the above