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Q. An electric dipole p makes the angle of 30° with a uniform electric field of magnitude 300 N/C. If the torque on the dipole is 3 × 10-12 N • m after that calculate the magnitude of the dipole moment p.
Q. A small conducting spherical shell with inner radius a and outer radius b is concentric with a larger conducting spherical shell with inner radius c and outer radius d. The inner shell has the total charge of -1q and outer shell has a total charge of +3q.
A 2.30-? F capacitor is fully charged by being connected to a 6.0-V battery. The fully charged capacitor is then connected to a 0.250-H inductor.
What mass of water at 29.0°C added to a Styrofoam cup containing two 60.0 g ice cubes from a freezer at -16.0°C will result in a final temperature of 5.00°C for the drink? Explain it.
A meter stick, sitting on a frictionless table top, is struck by a wad of clay with a force, F = 4.0 N at an angle. The meter stick will rotate in the plane of the table. Conclude the magnitude of the torque about the axis of rotation located at t..
What is the instantaneous power, at a time of 0.00700 seconds, dissipated by a 200 ohm resistor in a resonant AC circuit powered by a generator with a 21.0 V highest potential difference operating at 5000 rad/s .
A box weighing 77.0 N rests on a table. A rope tied to the box runs vertically upward over a pulley and a weight is hung from the other end. Determine the force that the table exert on the box if the weight hanging on the other side of the pulley ..
If the car had been going 10m/s but had stopped in the same d = 167m distance, what would its acceleration have been.
The Hall voltage across a conductor in a 42mT magnetic field is 1.9mu V. When used with the equal current in a different magnetic field, the voltage across the conductor is 2.7mu V.
A sound wave moving through water has a frequency of 256Hz and a wavelength of 5.77m.What is the speed of sound in water.
A 12.0 kg box resting on the horizontal, frictionless surface is attached to a 5.00 kg weight by a thin, light wire that passes without slippage over the frictionless pulley. The pulley has the shape of the uniform solid disk of mass 2.10kg and diame..
A plane is flying southwest at 155 mi/h and encounters the wind from the west at 45mi/h? what is the planes new velocity with respect to the ground in standard position.
Calculate the time constant that is equal to the time taken by a capacitor to fully charge or discharge.
An observer, whose eyes are 1.99 m above the ground, is standing 35.0 m away from a tree. The ground is level, and the tree is growing perpendicular to it. The observer's line of sight with the treetop makes an angle of 23.0° above the horizontal. Ho..
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