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Two small objects, A and B, are fixed in place and separated by 3.15 cm in a vacuum. Object A has a charge of +2.02 µC, and object B has a charge of -2.02 µC. How many electrons must be removed from A and put onto B to make the electrostatic force that acts on each object an attractive force whose magnitude is 72.0 N?
Two identical positive charges exert a repulsive force of 7.4 x10-9 N when separated by a distance of 4.8 10-10 m. compute the charge of each.
the barringer meteor crater in northern arizona is 180m deep and 1.2km in diameter. the fragments of the meteor lie
question1find out a magnitude and direction of the electric field this arrangement of charges produces at point that
A sqaure with sides of length 2m is perpendicular to a magnetic field of strength 10 T. If the square is rotated by 60o ,what is the change in magnetic flux through the square
A curve is banked at an angle of 30 degrees with respect to the horizontal. what is the ideal speed for a motorist to take the curve when it is covered by glare ice
A bullet with a mas of 10 g and an initial velocity of 800m/s penetrates 5 cm into a fixed block of wood before stopping. The average force on the buller by the wood is? A block of mass 4.25 kg hanging from a light string is struck by a projectile of..
A 72.8 kg skier encounters a dip in the snow's surface that has a circular cross section with radius of curvature of = 12.9 m. find the normal force exerted by the snow on the skier
A quantity of a monatomic ideal gas undergoes a process in which its pressure is increased by a factor of n = 4, What is the heat absorbed by the gas during this process
A car manufacturer claims that you can drive their new vehicle across a hill with a 47 slope before the vehicle starts to tip. how high is its center of gravity
When a fish looks up at an angle of 45 degrees with the horizon, does it see the sky or the reflection of the bottom beneath? Explain why.
on 2003 august 27 mars was in opposition as seen from the earth. on 2005 july 14 687 days later mars was in western
A small compass is held horizontally, the center of its needle a distance of 0.140 m directly north of a long wire that is perpendicular to the earth's surface, What direction does the current in the wire flow, toward or away from the earth's surfa..
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