A charge q is uniformly distributed along an insulating
A charge 'q' is uniformly distributed along an insulating straight wire of length '2l' Find an expression for the electric potential at a point located a distance d from the distribution along its perpendicular bisector.
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A 800kg , light-weight helicopter ascends from the ground with an acceleration of 3.50m/s2. What is the work done by the net force on the helicopter?
(a) What is the peak instantaneous power of the laser (b) If only 100 pulses can be generated per second, what is the average power output of the laser
A 1200kg automobile travels at 90km/h. What is its kinetic energy? What net work would be required to bring it to a stop
A 9-V flashlight battery has a rating of 1.8 kWh. If the bulb draws a current of 100 mA when lit, determine the following: (a) For how long will the flashlight provide illumination (b) How much energy in joules is contained in the battery
A car with a mass of 980 kg is initially traveling east toward an intersection with a speed of vc = 20.8 m/s, Determine the initial speed of the truck and the final speed of the wreckage
Describe the effect that the following procedural changes would have on the percent recovery of acetanilide. Rather than adding 0.5ml portions of boiling solvent to acetanilide, student added 5ml portions
A wire carries a constant current of 607. mA. How many coulombs flow past a given point in the wire in 2.00 sec
An electric motor with a 4.7-hp output drives a machine with an efficiency of 30%. What is the energy output of the machine
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