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A parallel-plate air-filled capacitor having area 67 cm^2 and plate spacing 2.0 mm is charged to a potential difference of 700 V. Find the following values.
a) the Capacitance
b) the magnitude of the charge on each plate
c) the stored energy
d) the electric field between the plates
e) the energy density between the plates
Money has time value?
Select a known business leader that you believe demonstrates strong leadership traits and write a research paper on this individual. This leader should not be someone you know personally.
A 4.20L sample of neon gas at 15 degrees C is at a pressure of 790mmHg. If the gas is compressed to 1.50L and the temperature of the gas is raised to 195 degrees C, what will the new pressure be
You have a circular swimming pool with a diameter of 3.60 m. If you pump water into the pool at a rate of 1.87 x 104 cm3/s, how fast is the level of the water rising
A jet airplane is in level flight. The mass of the airplane is m = 8870 kg. At what angle is the airplane banked
What are repos? How popular are they as a money market instrument compared to other money market options?
If the pressure exerted on a 375 ml sampe of Hydrogen gas at a constant temperature is decreased from 1.75 atm to 1.00 atm, what will the final volume of the sample be
Assume that a drop of mercury is an isolated sphere. What is the capacitance of a drop that results when 10 drops each of radius R = 2.80 mm merge
Buying a liver and answer the questions paraphrased from discussion scenario "If is all right to give away organs, why should why should it be (of shouldn't be )thought wrong to sell them?"
A gas in a canister with a volume of 2.0L at 1.0 atm and 21.0 degrees C is transfered to a smaller container with a volume of 0.75L under 2.0 atm pressure. What is the temperature of the gas under these new conditions
Two people carry a heavy electric motor by placing it on a light board 2.70m long. One person lifts at one end with a force of 380N, Where is its center of gravity located
A parallel-plate capacitor has fixed charges q and -q. The seperation of the plates is then doubled. How much work must be done in doubling the plate seperation from d to 2d
A Doppler ultrasound machine uses a probe emitting ultrasound waves at 5MHz to probe the speed of blood cells moving in an artery, What is the wavelength through the soft tissue of ultrasound produced by this machine
A star radiates energy at the rate of 2.2 1026 W. Calculate the star's loss of rest mass per second
A 5.00 X 10-2 kg mass with a charge of +0.75 mC is hung by a thin insulated thread. A charge of -0.9 mC is held 0.15 meters directly to right so that the thread makes an angle q with the vertical. What is the angle q and the tension in the string.
A 12 g bullet travelling at 420 m/s is fired into the middle of an unlatched 32.0 kg door. The door is hinged on one end, is 1.20m wide and has I = 1/3 Md^2. What is the angular speed of the door just after the bullet is embedded in it
A 3.5 m string is stretched between a pulley and a wave generator consisting of a plate oscillating up and down with small amplitude and frequency 150 Hz. What is the linear mass density of the string
A curve of radius 40 m is banked for a design speed of 100 km/h. If the coefficient of static friction is 0.30 (wet pavement), at what range of speeds can a car safely create the curve?
A clock has a pendulum that performs one full swing every 1.5 s (back and forth). What is the length of the pendulum
1 once the simulation opens click on lsquoshow both for velocity and acceleration at the top of the page. now
During physic lecture a lone ant makes it way across the classroom floor in two distinct stages starting from the wastebasket, Calculate the magnitude and direction of the ants resultant displacement vector
500 grams of water initially at 3.00 c and a 10.0 gram ice cube at 0.00c are placed together in an insulated styrofoam cup of negligible heat capacity. find the final temperature of the contents of the cup
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