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Three identical point charges each of chargeq are located at the vertices of an equilateral triangle as in the figure shown below. The distance from the center of the triangle to each vertex isa.
(a) Show that the electric field at the center of the triangle is zero. (Submit a file with a maximum size of 1 MB.)
You apply a constant force F= (68.0N)i+(36.0N)j to a 420kg car as the car travels 58.0m in a direction that is 240.0 counterclockwise from the +x-axis. How much work does the force you apply do on the car
A solar cell generates a potential difference of 0.320 V when a 445.0 ? resistor is connected across it and a potential difference of 0.504 V when a 945.0 ? resistor is substituted. What is the emf of the cell
A heat engine extracts 50.0kJ of heat from the hot reservoir each cycle and exhausts 35.0kJ of heat. What is the thermal efficiency
suppose a large crate of 300kg is hung from a uniform steel beam of mass 100kg and 2 meters in length. what would be he initial angular acceleration of the beam
Find out the critical angle theta_ce for e-waves in calcite. The index of refraction for light with electric field parallel to the optical axis (called extraordinary waves or e-waves) is 1.4864. The index of refraction for light with electric fiel..
question the ratio of times taken by a cyclist to travel along the outer and inner perimeter of a circular path is 2322
An astronaut constructs a pendulum with a length of 1 meter on a new planet. If the period is 4 second, what is the acceleration due to gravity
Calculate the capacitance of two flat metal pie pans 25.0 cm in diameter separated by 2.1 mm
A 55-kg skier starts from rest at the top of a ski jump, point A is at the top of the ramp and is 40.6 m above the end of the ramp, Determine the distance (s) to where she strikes the ground.
A railroad car of mass 3.3 104 kg moving at 3.50 m/s collides and couples with two coupled railroad cars, How much kinetic energy is lost in the collision
An electron is to be accelerated in a uniform electric field having a strength of 1.60 106 V/m. Find over what distance would it have to be accelerated to increase its energy by 50.0 GeV
A microwave oven is powered by an electron tube called a magnetron, which generates electromagnetic waves of frequency 3.46 GHz. determine the speed of the microwaves
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