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A long, thin rod (length = 5.0 m) lies along the x axis, with its midpoint at the origin. In a vacuum, a +6.0C point charge is fixed to one end of the rod, and a -6.0C point charge is fixed to the other end. Everywhere in the x, y plane there is a constant external electric field (magnitude 4.0 x 103 N/C) that is perpendicular to the rod. With respect to the z axis, find the magnitude of the net torque applied to the rod.
The range of human hearing is roughly from twenty hertz to twenty kilohertz. what are the lengths of the longest and shortest pipes
A block of mass m = 3.07 kg is attached to a spring (k = 29.3 N/m) by a rope that hangs over a pulley of mass M = 6.14 kg and radius R = 8.81 cm. find the maximum extension of the spring
An airplane starting from airport A flies 304 km east, then 364 km at 35.5° west of north, and then 150 km north to arrive at last at airport B.
When the switch was first closed to charge the capacitor, what was the effective resistance of the capacitor when it was fully charged
At a distance d (d > L) under the point of suspension there is an infinite plane conductor. Find the frequency of the pendulum, for small amplitudes. You can neglect gravity. What criterion determines that that is valid
An engine develops 490 N m of torque at 3750 rev/min. Find the power developed by the engine
Electrons are accelerated from rest through an electric potential difference of 250kV, then the potential difference is changed to 60kV. What is the ratio of the two de Broglie wavelengths produced by the electron
question1asteroids can be classified into two broad groups based on their composition and location carbon-rich
An ocean liner leaves New York City and travels 21° north of east for 134km. How far east and how far north has it gone? In other words, what are the magnitudes of the components of the ship's displacement vector in the directions.
The pendulum in a grandfather clock is made of brass and keeps perfect time at 15. How much time is gained or lost in a year if the clock is kept at 29
Explain how would the results have differed in this experiment if the pulley and of the track was lower that the other end of the track?
Alpha particles of kinetic energy 5.10 MeV are scattered at 90° by a gold foil. What is the impact parameter
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