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Four long wires are kept on each corner of a square of side 58cm and the current of 22A flows throgh them in the direction as shown in the figure. Find the magnitude of the net force on the wire D and also show the direction.
430 cm3 of water at 86°C is mixed with 120 cm3 of water at 11°C. Calculate the final equilibrium temperature, What is the equilibrium temperature after initial heat loss
Draw a cube and Cartesian axes. All points of the cube lie in the (+,+,+) octant of the coordiante system. One vertex of the cube is at (0,0,0), the point called O.
A 92 kg man standing on a surface of negligible friction shoves a 73 g stone lying at his feet, giving it a velocity of 4.0 m/s. What velocity does the man acquire as a result.
A sample is bombarded by incident X-rays, and free electrons in the sample scatter some of the X-rays at an angle of -0= 122.0 degrees, Determine the wavelength (in nm) of the incident X-rays
A 45.0-g object connected to a spring with a force constant of 30.0 N/m oscillates with an amplitude of 4.00 cm on a frictionless, horizontal surface. calculate the total energy of the system
The rms speed of a sample of gas is increased by 3 percent. What is the percent change in the pressure of the gas
A CD has a mass of 17 g and a radius of 6.0 cm. When inserted into a player, determine the net torque acting on it
A student could either pull or push, at an angle of 30â?? from the horizontal, a 45kg crate on a horizontal surface, Calculate the minimum work required for both pulling and pushing
A blue car with mass mc= 459 kg is moving east with a speed of vc= 20 m/s and collides with a purple truck with mass mt= 1246 kg that is moving south with a speed of vt= 10 m/s. find the magnitude of the initial momentum of the car
A railroad car of mass 40900 kg moving at 3.35m/s collides and couples with two railroad cars,each of the same mass as the single car and moving in the same direction at 1.53m/s. what is the speed of three cars after the collision.
Mr. Gewanter, who's mass is 60.0 kg, is doing physics demonstration in the front of the classroom. a) How much gravitational force does he exert on 55-kg Martha in the front row, 1.50m away? b) How does this compare to what he exerts on 65-kg Lest..
A computer CD-ROM drive that operates on 120 V is rated at 50W when it is operating. What is the drive's resistance
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