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Identical isolated conducting spheres 1 and 2 have equal charges q and are separated by a distance r large compared to the diameters of the spheres. The electrostatic force acting on sphere 2 due to sphere 1 is 10-6 N. Suppose now, that the third identical conducting sphere 3, having an isolating handle, and initially electrically neutral, is touched first to the sphere 1, then to the sphere 2, and finally removed. Find the electrostatic force which will be acting on the sphere 2 after these manipulations.
You support one end of a stick of mass M and length L with the tip of your finger. what angle does the force points horizontally
The current through a lamp connected across 120 V is 0.48 A. What is the resistance when the lamp is on
The top of the hill is horizontal and 70 m higher than its base. What minimum speed must the block have at the base of the hill in order for it to pass over the pit at the far side of the hill
A sphere of radius 3.09 cm and a spherical shell of radius 9.22 cm are rolling without slipping along the same floor. what should the ratio of the sphere\'s angular speed to the spherical shell\'s angular speed be
A kid picks up a toy of mass 139g, from the floor. The kid lifts the toy 42.2cm above the floor. How much work does the kid do on the toy
A 20.0-kg box rests on a horizontal surface. The coefficient of static and kinetic friction between the box and the surface are 0.30 and 0.10 respectively. obtain the friction force between the box and the surface
An object with a mass of 27 g displaces 306.6 ml of water when it is completely immersed. What is the buoyant force on the mass
Suppose you wish to make a solenoid whose self-inductance is 1.5 mH, The inductor is to have a cross-sectional area of 1.7 x 10-3 m2 and a length of 0.046 m
Calaculate the position and size of image
On aircraft carriers, catapults are used to accelerate jet aircraft to flight speeds in a short distance. How far does the jet travel while it is accelerating
An object is oscilliating on a spring with a period of 4.60 s . At time t= 0.00 s the object has zero speed and is at x = 8.30 cm
Two equal charges separated by a distance of 1 meter experience a repulsive force of 1,000 newtons. What is the strength in coulombs on each charge
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