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A line of charge with uniform density of 40.0 nC/m lies along the line y = -15.0 cm, between the points with coordinates x = 0 and x= 32.0 cm. Find the electric field it creates at the origin. Answer with a Magnitude (N/C) and a direction (in degrees, counter-clockwise from +x direction)
An electron is accelerated from rest through a potential difference of 70V. What is the de Broglie wavelength of the electron
A parallel-plate aircapacitor of area A = 17.3 cm2 and plate separation of d= 3.80 mm is charged by a battery to a voltage of 60.0 V. What is the charge on the capacitor?
an aircraft starts at rest and is accelerated at 14.8 mss for 13 seconds at which time the aircraft launches. what is
A very long, straight wire has charge per unit length (lambda) . At what distance from the wire is the electric field magnitude equal to E ? How do you solve this problem?
An alpha particle (m = 6.7 ´ 10-27 kg, q = +3.2 ´ 10-19 C) has a speed of 20 km/s at point A and moves to point B where it momentarily stops. Only electric forces act on the particle throughout this motion. Find out an electric potential difference V..
In the hydraulic system shown in the figure , the piston on the left has a diameter of 4.5 and a mass of 1.8, what is the height difference between the two pistons
A metallic sphere initially has a charge of +8.60 nC. A negatively charged rod has a charge of -6.0 nC. What charge remains on the sphere after this transfer
Suppose that you want to take a photograph of yourself as youlook at your image in a flat mirror 2.5 m away. For what distance should the camera lens be focused
A charge -305e is uniformly distributed over one face of a circular disk of radius 2.90 cm. What is the surface charge density over that face
When water freezes, it expands about 8.73%. What would be the pressure increase inside your automobile engine block if the water in it froze
A wire of unknown material has a cross-sectional area 7 mm2 and length 15 cm. What is the resistivity of the unknown material
A piece of conductor is moving in a uniform magnetic field B = 0.2 T with a velocity of 0.5 m/s perpendicular to the magnetic field. What is the electromotive force in the conductor
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