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Two identical charges of 6.0uC are located along the y-axis at +6.4 cm and -6.4 cm respectively. Calculate the net electric field strength at a point P located at 17.6 cm along the x-axis.In addition, what force would be experienced by a 4.5uC charge placed at point P
An electric eye also called "magic eye" or, photocell, is a solid-state device that converts light into electrical energy by producing a voltage or uses light to regulate the flow of current. An electric eye, which automatically opens a door as yo..
The starter motor of a car engine draws an electric current of 42.0 A from the battery. The copper wire to the motor is 5.70 mm in diameter and 1.36 m long. How much electric charge passes through the starter motor
The hydraulic turbines in a water-power plant rotate at 60rpm and are rated at 20, 000 hp. The 30 in-diameter shaft between the turbine and the generator is made of steel (G = 12, 000 ksi) and is 20 ft long. Determine (a) The maximum shearing stress ..
It is currently popular for automobiles to use 10% ethanol / 90%gasoline mixtures (‘gasohol’) as fuel. According topopular consensus the main benefit of gasohol use is that it“reduces our dependence upon foreign oil.” Determine the ‘break-even’ fu..
An automobile can be considered to be mounted on four identicalsprings as far as vertical oscillations are concerned. The springsof a certain car are adjusted so that the oscillations have afrequency of 2.62 Hz.
The star Sirius is a distance of 8 light years from the earth. If Sirius suddenly stopped shining, how much longer would it be seen on earth
A small piece of dust of mass m = 1.2 g travels horizontally through an electric air cleaner in which the electric field is 472 N/C, What is the charge of the dust particle
A spherical water drop, 1.80 ?m in diameter, is suspended in calm air owing to a downward-directed atmospheric electric field E = 452 N/C. What is the weight of the drop
The electric field within the membrane separating the inside and outside of a biological cell is approximately 7.7MV/m, what is the potential difference across the membrane
A jet transport has a weight of 1.00 106 N and is at rest on the runway. The two rear wheels are 15.6 m behind the front wheel, find the normal force exerted by the ground on the front wheel
An emf is induced in a conductin loop of wire 1.03 m long as its shape is changed from square to circular. Find the average magnitude of the induced emf if change in shape occurs in 4.15s and the local 0.131-T magnetic field is vertical to the pla..
the snow exerts a retarding force on the sled that points opposite to the direction of motion, and has a magnitude of 57 N. Find out the acceleration of the sled and child.
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