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Please choose the combination of statements below that describes the situation when a plastic rod that is initially electrically neutral is rubbed with a piece of fur and the rod (and the fur) becomes "charged."A. The rod and fur have the same "charge", either both + or both -.B. They both become oppositely charged, one + and the other -.C. + and - charges are created by this process.D. The + and - charges were already there and we just re-arranged them to create the "charge" seen on the objects. E. There is no way that either object could become charged in this manner. 1) A,C 2) E 3) B,D 4) C,D 5) A,B
The speed of the tip of the minute hand on a town clock is 0.00125 m/s. find the centripetal acceleration of the tip of the second hand
The drawing shows four point charges. The value of q is 1.83 µC, and the distance d is 0.99 m. Find the total potential at the location P
voltage amplifier stages having the characteristics show in the following table are available. the signal source has
A cord of length 1.3 m is fixed at both ends. Its mass per unit length is 1.1 g/m and the tension is 11 N. (a) What is the frequency of the fundamental oscillation? Hz (b) What tension is required if the n = 3 mode has a frequency of 0.60 kHz? N
question water is moving with a speed of 4.7 ms through a pipe with a cross-sectional area of 4.3 cm2. the water
If a 25-gram bullet with a speed of 330 m/s travels 15 cm into a tree before stopping, what's the average force exerted to stop the bullet
A 1.78 m long air column is open at both ends. The frequency of a certain harmonic is 828 Hz, and the frequency of the next-higher harmonic is 920 Hz. find out the speed of sound in the air column.
A dielectric sphere of radius a has a charge +Q uniformly distributed throughout its volume. What is the potential outside the shell
A Coast Guard cutter detects an unidentified ship at a distance of 20.2 km in the direction 16.7° east of north. The ship is traveling at 24 km/h on a course at 40.1° east of north. The Coast Guard wishes to send a speedboat to intercept the vesse..
A softball of mass 0.220kg that is moving with a speed of 8.5m/s collides head-on and elastically with another ball initially at rest. Calculate the mass of the target ball
You are testing a new amusement park roller coaster with an empty car with mass 113 kg. calculate how much work is done by the friction
A long, current-carrying solenoid with an air core has 1670 turns per meter of length and a radius of 0.0194 m. What is the mutual inductance of this system?
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