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Two identical long wires of radius a = 1.72 mm are parallel and carry identical currentsin opposite directions. Their center-to-center separation isd = 14.6 cm. Neglect the fluxwithin the wires but consider the flux in the region between the wires. What is the inductance per unit length of the wires?
Calculate velocity of the skydiver of mass m=80kg as a function of time. The air drag coefficient D=100g/m=0.1kg/m.
A satellite is placed in a circular orbit aboutEarth with a radius equal to one-half the radius of theMoon's orbit. What is its period of revolution in lunar months
you must determine the acceleration of a rocket so that its equipment can be designed to survive. the rocket will have a burne time of t=30 second, what is maximum altitude of the rocket
A railroad car of mass 2.3 104 kg moving at 2.50 m/s collides and couples with two coupled railroad cars, What is the speed of the three coupled cars after the collision
A boy of mass 60.8 kg is rescued from a hotel fire by leaping into a firefighters' net. The window from which he leapt was 9.5 m above the net. What is the average force on the net due to the boy during the interval
Determine the kinetic and potential energies when thedisplacement is one half the amplitude. For what value of the displacement does the kineticenergy equal the potential energy?
Suppose you are planning a trip in which a spacecraft is to travel at a constant velocity for exactly eleven months, as measured by a clock on board the spacecraft, how fast must you travel
A mass spectrometer is set up to measure the mass to charge ration (m/z) of chemicals by ionizing a molecule by stripping it of one of its electrons and sending it through an area with a constant magnetic field of 0.25T. How far in cm did the dete..
A charge of 4.25 uC is placed at each corner of a square 0.100 m on a side. Determine the magnitude of the force on each charge
two copper wires of the same gauge, one has a length L and the other twice that. If the first wire has a resistance R, what is the resistance of the second wire
Your adventurous friend Lola goes bungee jumping. She leaps from a bridge that is 100 m above a river. WHat is her height above the river at her lowest point
An object with mass 2.7 kg is executing simple harmonic motion, attached to a spring with spring constant k=280N/m. Calculate the maximum speed attained by the object
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