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A. Four charged particles are arranged in a diamond around the origin. There is a +2nc charge located at 4mx, a -8nC charge located at 5my, -6nC charge located at -4mx and a fourth charge located at -5my. What should the fourth charge be so that the voltage at the origin is zero?
B. What is the electric field at the origin. Is it surprising that it is not zero?
Assume 1400 J of heat are added to6.3 mol of argon gas at a constant pressure of 120 kPa. (Assume that the argon can be treated as an ideal monatomic gas.) Find the change in internal energy. Discover the change in temperature for this gas.
A layer of air has a temperature T0 of 30 Celsius at ground level and a lapse rate ? of 20 Celsius/km. determine its upward velocity at that point
A certain lightbulb has a tungsten filament with a resistance of 18.9 ? when at 20.0°C and 139 ? when hot. Find the temperature of the hot filament
A bicyclist on a horizontal plane starts from rest and begins to pedal. The wheel of radius r = 0.345m has a constant angular acceleration of ? = 9.35rad/s2, What is the linear acceleration of the bicycle
A machine has an 650 g steel shuttle that is pulled along a square steel rail by an elastic cord (see figure below). The shuttle is released when the elastic cord has 16 N tension at a 45° angle
a long wire lying along the x-axis carries a current of 2.80a in the x direction. there is a uniform magnetic field
How many moles of air are left in the tire?
The gravitational force exerted on a baseball is 2.14 N down. Through what distance does it move before its release
Suppose a beam of 5.0 eV protons strikes a potential energy barrier of height 6.0 eV and thickness 0.58 nanometer, Determine how long would you have to wait-on average-for one proton to be transmitted
The magnetic flux that passes through one turn of a 18-turn coil of wire changes to 1.0 Wb from 9.0 Wb in a time of 0.092 s. What is the resistance of the wire
Illustrate what is the speed of the three coupled cars after the collision? How much kinetic energy is lost in the collision?
A bowling ball of mass 7.1 kg and radius 9.0 cm rolls without slippingdown a lane at 5.2 m/s. Calculate its total kinetic energy
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