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A 170 pF capacitor is charged to a potential dissimilarity of 90 V, and the charging battery is disconnected. The capacitor is then connected in parallel by a second (initially uncharged) capacitor. If the measured potential dissimilarity drops to 80 V, what is the capacitance of this second capacitor?
a lamp in a childs halloween costume flashes based on an rc discharge of a capacitor through its resistance. the
A charged particle is injected at 121 m/s into a 0.0743-T uniform magnetic magnetic field perpendicularly to the field. What is the charge-to-mass ratio of this particle
A lecturer is demonstrating two-slit interference with sound waves. Two speakers are used, 1.9 m apart. The sound frequency is 1180 Hz and the speed of sound is 343 m/s. Students sit facing the speakers in a row of seats 5.1 m away.
we have a parallel plate capacitor separation of 0.2mm capacitance C0= 21 nF we fill it with 20g of silicone oil & density 520 kg/m^3, find the max charge on the plate before dielectric breakdown
A Bead with a mass 10g can slide without friction on a circular motion massless hoop that is in a vertical plane and has a radius of 5 cm. The hoop rotates at a constant rate of 4rev/s about a vertical diameter.
The coefficient of static friction between the ladder and the ground is 0.55, and the ladder makes a 50.0° angle with the ground. Explain how far up the ladder can an 720 N person climb before the ladder begins to slip?
A magnetic dipole consisting of a 10-turn current loop of area of .1m^2, with a current of 1.0A flowing through each turn, What is the magnitude of torque acting on the loop
A car is traveling at 15 m/s on a horizontal road. The coefficient of kinetic between the tires and road is
A cardinal (Richmondena cardinalis) of mass 4.10×10^-2 kg and a baseball of mass 0.144 kg have the similar kinetic energy. What is the ratio of the cardinal's magnitude pc of momentum to the magnitude pb of baseball's momentum.
A block of unknown mass is attached to a spring of spring constant 7.9 N/m and undergoes simple harmonic motion with an amplitude of 13.2 cm. Calculate the mass of the block
a parallel plate capacitor has circular plates of radius 15.0 cm that are separated by a distance of 6.0 mm. the
You have a 250-? resistor and a 0.400-H inductor. Suppose you take the resistor and inductor and make a series circuit with a voltage source that has a voltage amplitude of 28.0V, What is the voltage amplitude across the resistor
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