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Three charges are fixed to an x, y coordinate system. A chargeof +4μC is on the y axis at y=+2meters. A charge of -8μCis at the origin. Last, a charge of 32μC is on the x-axis atx=+2meters. Determine the mignitude and direction and direction of the net electrostatic force on the charge at x=+2meters.Specify the direction relative to the -x axis.
During a 75-ms interval, a change in the current in a primary coil occurs. What is the change in the primary current
There are two answers required for this question. An engine operates between temperatures of 280 K and 700 K at 62.0 % of its maximum efficiency. how much work does the engine do
a light ra reflects from a mirror hanging vertically on a wall in your bathroom, and the ray strikes a particular point on the opposite wall. what is the length L of the room
90 grams of water at 80°C are mixed with an equal amount of water at 20°C in a completely insulated container. The final temperature of the water is 50°C. How much heat is lost by the hot water
The compressor of an air conditioner draws an electric current of 20.7 A when it starts up. how much electric charge passes through the circuit
A particle has a position vector given by r = (12t)i ^ + (60t-25t2)j ^ , Find the instantaneous-velocity and instantaneous-acceleration vectors as functions of time t
One radiator has a volume of 0.09mt³. It contains saturated vapor at a temperature of 100°C. find The total mass of vapor in the radiator
what force is required to slow a 1250kg car traveling 115km/h to 30km/h within 3.50 s? how far does the car travel during its deceleration
A boy of mass mboy stands at the edge of a merry-go-round of radius R = 3.9 m and mass mmgr, and both are initially at rest. Find the ratio of mboy to mmgr
4 moles of an ideal gas have an initial temperature of 127 C. The temperature of the gas is kept constant and the volume is increases until the pressure drops to 40.0% of its original value. Calculate the heat added to the gas
At the low point in it swing, a pendulum bob with a mass of 0.46 kg has a velocity of 2.2 m/s. What is its kinetic energy at the low point
A toy train is pushed forward and released at = 2.0 with a speed of 1.5 . It rolls at a steady speed for 2.8 , then one wheel begins to stick. The train comes to a stop 5.6 from the point at which it was released. Elucidate the train's accelera..
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