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Two identical capacitors are connected in parallel and each acquires a charge Qo when connected to a voltage source Vo. The voltage source is disconnected and then a dielectric (K=4.0) is inserted to fill the space between the plates of one of the capacitors.
a) Compute the charge now on each capacitor?
b) Compute the voltage now across each capacitor?
Two long parallel wires carry currents of 2.71 A and 5.93 A. Find the separation distance of the wires
An airplane traveling at half the speed of sound emits a sound of frequency 5.12 kHz. At what frequency does a stationary listener hear the sound
Tim and Rick both can run at speed and walk at speed, with. They set off together on a journey of distance. Rick walks half of the distance and runs the other half. Tim walks half of the time and runs the other half.
submarine on the ocean surface receives a sonar echo indicating an underwater object. The echo comes back at an angle of 20 degree above the horizontal and the echo took 3.04s to get back to the submarine What is the object's depth?
Multiple-Concept Example 11 reviews the concepts that are important in this problem. What is the radius of a hydrogen-filled balloon that would carry a load of 4390 N
A 4.9-N hammer head is stopped from an initial downward velocity of 3.2 m/s in a distance of 0.45 cm by a nail in a pine board. Calculate the downward force F exerted by the hammer head on the nail while the hammer head is in contact with the nail a..
With two slits separated by 0.39 mm, the interference pattern has bright fringes by angular spacing0.075°. What is the wavelength of the light illuminating the slits?
A skier starts from rest at the top of a hill that is inclined at 12.0° with the horizontal. The hillside is 180.0 m long, and the coefficient of friction between the snow and the skis is 0.0750. At the bottom of the hill, the snow is level and the c..
At the end of a race a runner decelerates from a velocity of 10.00 m/s at a rate of 0.400 m/s2. What is her final velocity
A 0.156 toy is undergoing SHM on the end of a horizontal spring with force constant 306. Find the maximum speed attained by the object
The primary coil of a transformer has N1 = 4.50 102 turns, and its secondary coil has N2 = 1.35 103 turns. what rms voltage is developed across the secondary coil
Find the magnitude of the electric field
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