What is the rms current through a 0.0010-?F capacitor at 1000 Hz and 5.0 V?
A) 3.1 mA B) 5.4 ?A C) 10 mA D) 31 ?A
D
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A pipe that is 20.0 m long and 10.0 cm in diameter contains olive oil. The density of the olive oil is 890 kg/m3 and the bulk modulus is 1.3 × 109 Pa. A 3.4-Hz longitudinal wave is transmitted in the oil
How many milliseconds does it take for the wave to travel the length of the pipe in the oil? A) 17 ms B) 15 ms C) 14 ms D) 13 ms E) 12 ms
A conducting bar of length L rotates in a counterclockwise direction with a constant angular speed of +2.0 rad/s about a pivot P at one end, as shown. A uniform magnetic field (magnitude = 0.20 T) is directed into the paper. If L = 0.40 m, what is the potential difference, VA?VB?
A. +24 mV B. ?24 mV C. +16 mV D. ?16 mV E. +32 mV
A horizontal force acts on a block that is initially at rest but free to move across a smooth horizontal surface. The work done by this force ________ (increases; does not change; decreases) the kinetic energy of the block.
Fill in the blank(s) with the appropriate word(s).
In a given frictionless displacement of a particle, its kinetic energy increases by 25 J while its potential energy decreases by 10 J. Determine the work of the nonconservative forces acting on the particle during this displacement
a. ?15 J b. +35 J c. +15 J d. ?35 J e. +55 J