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Two 100cm2 parallel electrodes are spaced 2cm apart. Oneis charged +5μC, the other -5μC, A 1.0cm x 1.0cm surfacebetween the electrodes is tilted to where its normal makes a 45degree angle with the electric field. What is the electric flux through the surface ?
The front 1.20 m of a 1,350-kg car is designed as a "crumple zone" that collapses to absorb the shock of a collision. What is the magnitude of the average force on the car
A heat pump has a coefficient of performance equal to 4.35 and requires a power of 1.77 kW to operate. How much energy does the heat pump add to a home in one hour
A car with mass of 1000.0 kg accelerates from 0 m/s to 40.0 m/s in 11.0 s. Ignore air resistance. obtain the average mechanical power output of the engine
A spacecraft is traveling with a velocity of vox = 5675 m/salong the +x direction. Two engines are turned on for a time of 847 s. One engine gives the spacecraft an acceleration in the +x direction of ax = 1.25 m/s2,while the other gives it an acc..
A hoist motor supplied by a 240 V source requires 12 A to lift an 800 kg load at a rate of 9.00 m/min. Determine the power input to the motor
The tires on a mew car have a diameter of 2ft and are warranted for60 000 miles. determine the angle (in radians)through which one of these tires will rotate during the warranty period.
Someone puts an upright 0.450 m radius wreath made out of 30 windings of a string of lights, What is the induced current in the wreath from a N-S wire with a steady DC of 4.00 A2.00 m below the wreath
An electron is observed moving 50 percent of the speed of light, v = 1.5 *10^8m/s. What is the relativistic mass of the electrong
A 49.2-kg crate rests on a level floor at a shipping dock. The coefficients of static and kinetic friction are 0.637 and 0.439, respectively. What horizontal pushing force is required
A solid conducting sphere with a radius of 35.4 cm contains atotal charge of 5.46 mC, evenly distributed over its surface.(a) What is the direction of the electric field at its surface? (b)What is the strength of the electric field at its surface?
A Carnot engine operating between energy reservoirs at temperatures 300K and 490Kproduces a power output of 800W. What is the rate of heat input
A charge of 0.43 C is spread uniformly throughout a 36 cm rod of radius 7 mm. What are the volume and linear charge densities?
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