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Two spherical objects are separated by a distance of 1.66 × 10-3 m. The objects are initially electrically neutral and are very small compared to the distance between them. Each object acquires the same negative charge due to the addition of electrons. As a result, each object experiences an electrostatic force that has a magnitude of 1.01 × 10-20 N. How many electrons did it take to produce the charge on one of the objects?
A wave has an angular frequency of 110 rad/s, Calculate the angular wave number and the speed of the wave
A 0.56 kg block is hung from and stretches a spring that is attached to the ceiling. What is the mass of the second block
a cylindrical steam boiler shell is of riveted construction. it is made from plates 18mm thick and has a diameter of
Two equally charged spheres are located 2 cm away from each other. what is the magnitude of the charge on each of sphere
A 7.1kg rope hangs from the ceiling. What is the tension at the midpoint of the rope
A long vertical wire carries an unknown current. Coaxial with the wire is a long, thin, cylindrical conducting surface that carries a current of 31.7 mA upward, what is the current (in A) in the wire
The 3.70 cm3 volume between the plates of a 444 pF parallel-plate capacitor is filled with a dielectric, Find the permittivity of the dielectric
a series lr circuit includes a 9.0. v battery a resistance of 0.500 ? and an inductance of 0.800 h. what is the
A highway curves to the left with radius of curvature of 44 m and is banked at 29degrees so that cars can take this curve at higher speeds. Consider a car of mass 1387 kg whose tires have a static friction coefficient 0.68 against the pavement.
Additional light oil is poured onto the liquid surface until the top surface of the oil coincides with the top surface of the wood cube (in hydrostatic equilibrium). How thick is the whole layer of the light oil
After 2.02 days, the activity of a sample of an unknown type radioactive material has decreased to 82.2% of the initial activity. What is the half-life of this material
Logan is given an initial speed of 4.00 m/s down a 20 %u030A incline. when he reaches the bottom of the incline
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