What type of faulting results from compressional stresses?
a. Reverse
b. Abnormal
c. Strike-slip
d. Normal
a
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A 20-?F capacitor charged to 2.0 kV and a 40-?F capacitor charged to 3.0 kV are connected to each other, with the positive plate of each connected to the negative plate of the other. What is the final charge on the 20-?F capacitor after the two are so connected?
a. 53 mC b. 27 mC c. 40 mC d. 80 mC e. 39 mC
Which statement expresses Newton's first law of motion? a. An object with no force on acting on it continues at rest or moves in uniform motion in a straight line with constant velocity. b. An object with a force on it is accelerated in the direction of the force an amount inversely proportional to its mass and directly proportional to the size of the force. c. For every action, there is an
equal and opposite reaction. d. The force between two objects is directly proportional to the product of their masses and inversely proportional to the distance between them squared. e. The force between two objects is inversely proportional to the product of their masses and directly proportional to the distance between them squared.
A proton moving at 6.0 × 10^4 m/s is projected at an angle of 30° above a horizontal plane. If an electric field of 400 N/C is acting down, how long does it take the proton to return to the horizontal plane? (Hint: Ignore gravity. mproton = 1.67 × 10^-27 kg, qproton = 1.6 × 10^-19 C)
a. 7.8 × 10^-6 s c. 7.8 × 10^-7 s b. 1.6 × 10^-6 s d. 3.9 × 10^-6 s
Kinetic energy is definitely conserved
Indicate whether the statement is true or false