Homework Answers
float motionless means electrostatic force is equals to gravitational force.
F = mg = kq1q2/r^2
m = 9*10^9*100*10^-6*30*10^-6/(0.2^2*9.81) = 68.80 kg
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A Van de Graff generator has a charge of + 100 mu C. A carbon covered...
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PartI-Van de Graff Generator Demonstration: In this part of the experiment, the TA will require a...
PartI-Van de Graff Generator Demonstration: In this part of the experiment, the TA will require a few student demonstrators to perform the activity below before the class answers the questions that follow. The student volunteer must stand on the rubber mat next to the Van de Graff generator and place your hand on top of the generator. Have another volunteer turn the generator on. While the generator is charging, shake your head. 1. What do you observe? 2. What do...
1. A Van de Graaff generator has a metal sphere on the top with a radius...
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A Van de Graaff generator (like the one used in class) has a metal sphere on...
A Van de Graaff generator (like the one used in class) has a metal sphere on the top with a radius of 15.0 cm. It is charged to the point where the total charge on the surface of the sphere is +3.50 μC ? (e) What is the charge on the Van de Graaff generator now? (f) Suppose that by a “long distance” we mean 2.00 m (this is long enough for our purposes). In other words, the center of...
Van de Graff generators can produce voltages as high as 5 million volts. This is accomplished...
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A research Van de Graaff generator has a 2.10 m diameter metal sphere with a charge...
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2. A uniform charge of Q is placed on the sphere of a Van de Graff generator, such that electron discharge is observed from a conducting point a distance of 46 cm away (center to center). Let the dielectric strength of air... E-3 x 10 N/C Determine the Electric Potentials at the 50 cm and 80 cm radial locations a) b) A small air balloon of charge q8.4 nC and mass 1.76 grams, is placed at rest at the 80...
PartI-Van de Graff Generator Demonstration: In this part of the experiment, the TA will require a few student demonstrators to perform the activity below before the class answers the questions that follow. The student volunteer must stand on the rubber mat next to the Van de Graff generator and place your hand on top of the generator. Have another volunteer turn the generator on. While the generator is charging, shake your head. 1. What do you observe? 2. What do...
A research Van de Graaff generator has a 3.60 m diameter metal sphere with a charge of 1.02 mC on it (a) What is the electric potential on the surface of the sphere? (b) At what distance from its center is the potential 4.00 MV? m (c) An oxygen atom with three missing electrons is released near the surface of the Van de Graaff generator. What is its kinetic energy in Mev at the distance determined in part (b)? MeV
The dome of a Van de Graaff generator receives a charge of 2.6 × 10-4 C Find the strength of the electric field in the following situations Hint: Review properties of conductors in electrostatic equilibrium. Also, use the points on the surface are outside a spherically symmetric charge distribution; the total charge may be considered to be located at the center of the sphere.) (a) inside the dome N/C (b) at the surface of the dome, assuming it has a...
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