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Problem:
An electron moves at a speed of v = 3 x 107 m/s parallel to and a distance d = 10 cm from a conducting wire carrying a current of I = 40 A. If the directions of the electron and current are as shown in the figure, what is the magnitude (in N) and direction of the force experienced by the electron?
An automobile having a mass of 1,000 kg is driven into a brick wall in a safety test. The bumper behaves like a spring with constant 5.85 106 N/m, What was the speed of the car before impact
A simple pendulum with mass m = 1.5 kg and length L = 2.41 m hangs from the ceiling, What is the magnitude of the radial acceleration as the pendulum passes through the equilibrium point
In an adjustable nozzle for a garden hose, a cylindrical plug is aligned in the direction of the hose and can be inserted into the hose opening. Compute the ratio of the plug radius to the inside hose radius
Three 3.0 uC charges are at the three corners of an square of side0.50 m. The last corner is occupied by a -3.0 uC charge. Find the electric field at the center of the square.
In a section of horizontal pipe with a diameter of 3.00 cm the pressure is 5.21 kPa and water is flowing with a speed of 1.50 m/s. What is the pressure in the narrower region
since all economies are faced with scarcity how might nations attempt to minimize the human hardship associated with
How much charge does the battery supply to each plate.
Light of wavelength 650 nm falls on a 0.31 mm wide slit and forms a diffraction pattern on a screen 1.5 m away. Find the width of the central maximum
A spaceship of mass 2.00 106 kg is to be accelerated to a speed of 0.820c. What minimum amount of energy does this acceleration require from the spaceship's fuel, assuming perfect efficiency?
A river flows due East at constant velocity 3 m/s. If the boat heads due North, how far downstream has it moved by the time it reaches the far shore?
an electron moves in the positive x-direction a distance of 2.43 m in 2.99middot10-8 s bounces off a moving proton and
Find an expression for the Pointing vector S→(r→,t). If the intensity of the wave is 250 mW/cm2, what is the amplitude of the magnetic field Bo?
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