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Question1
At what distance from a proton is the magnitude of its electric field 2.3×105? What is magnitude of the electric field at a point 0.65 away from a point charge of +7.0? Two depressing point charges are separated by 9.00and feel a mutual repulsive force of 1.75.
The charge of one is three times that of the other.
A) How much charge does each have?
B) What would be the force if the total charge were instead regularly distributed on both point charges?
Question2
The fact that galaxies beyond away are moving away from us the fastest is taken as facts that-
a. we are at center of the universe
b. most distant galaxies have a blue shift
c. those galaxies got farther from us as they were moving faster
d. universe is expanding
A beaker has a height of 15.0 cm. The lower half of the beaker is filled with water, and the upper half is filled with oil (n = 1.48). what is the apparent depth of the bottom
A spring loaded ballistic pendulum gun requires an increasing force to load, Calculate the work required to load the gun
Calculate the speed of an 8.5 × 104 kg airliner with a kinetic energy of 1.2 × 109 J
what is the electric force between the proton and electron inside of a hydrogen atom? What must the speed of the electron be
A circular coil (500 turns, radius=.195m) is rotating in a uniform magnetic field. At t=0 s. Find the magnitude of the magnetic field at the location of the coil
Two ideal polarizers A and B are aligned so that their transmission axis are vertical and horizontal respectively. Assuming that unpolarized light of intensity Io is incident upon the first polarizer (Polarizer A), find an expression for the light ..
what is the translational rms speed of carbon dioxide molecules.
A 1210-N uniform beam is attached to a vertical wall at one end and is supported by a cable at the other end.
How much time would it take for her to emit a net radiant.
A uniformly charged conducting sphere of 1.6 m diameter has a surface charge density of 9.9 µC/m2. What is the total electric flux leaving the surface of the sphere
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There are 5 pairs of plates: A,B, and D are charged plastic plates and C is an electrically neutral copper plate. A is attracted to B, C to A, C to D, B to D, How can you tell if they attract or do not
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