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Please choose the combination of statements below that describes the situation when a plastic rod that is initially electrically neutral is rubbed with a piece of fur and the rod (and the fur) becomes "charged."A. The rod and fur have the same "charge", either both + or both -.B. They both become oppositely charged, one + and the other -.C. + and - charges are created by this process.D. The + and - charges were already there and we just re-arranged them to create the "charge" seen on the objects. E. There is no way that either object could become charged in this manner. 1) A,C 2) E 3) B,D 4) C,D 5) A,B
A 5.000-kg mass starts from rest and slides down an incline that is tilted 5 degrees above the horizontal. What is the acceleration of the mass down the plane
A proton of mass mp and charge qp =e, deuteron of mass 2mp and charge qd =e, Find the velocities and derive the radii of the paths for deuteron and alpha particle in term of the mass and charge of proton
The moon is observed using a telescope that has an objective lens with a focal length of 3.0 m and an eyepiece with a focal length of 7.5 cm. What is the angular diameter of the moon
A right triangle has sides of 30, 40 and 50 cm. A charge of -10 x 10-6 C is placed at the right angle; a charge of + 10 x 10-6C at the smaller acute angle and a charge of + 5.0x10-6 C at the larger acute angle
A particle is described by the wave function Ψ(x) ={ Axe^-ax, x>0 and Ψ(x) ={ 0, x≤0, Find the most probable position of the particle
A skateboarder shoots off a ramp with a velocity of 6.4 m/s, directed at an angle of 55° above horizontal.
A spherical capacitor is formed from two concentric,spherical, conducting shells separated by a vacuum. The innersphere has a radius of 15 cm. What is the radius of the outer sphere
A beam of light traveling in a block of glass (n=1.60) is incident on the top surface at an angle of 55° with respect to the normal. What is the maximum possible index of refraction of the oil
find out the speed of the test charge. How many electrons should be removed from A and put onto B to make the electrostatic force that acts on each object an attractive force whose magnitude is 23.6 N.
A piston with a volume of 24 liters contains 3.0 moles of argon. It is heated from 20 degrees Celsius to 178 degrees Celsius, and the piston is allowed to expand during the heating process so that the pressure on the gas remains constant. How much he..
A century ago, scientists believed that the universe was infinite with no beginning and no end. Einstein then predicted that the universe is either contracting or expanding. Why do you think Einstein thought that the universe had no beginning? Do you..
question a car is moving straight at a speed of 60 miles per hour. it then turns at a bend of radius of curvature 50
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