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A parallel-plate capacitor in air has a plate separation of 1.64cm and a plate area of 24.8cm2. The plates are charged to a potential difference of 260.V and disconnected from the source. The capacitor is then immersed in distilled water. Determine the charge on the plates before immersion. Neglect the conductance of the liquid. Determine the charge on the plates after immersion. Calculate the capacitance after immersion. Calculate the voltage after immersion. Calculate the change in energy of the capacitor.
A cubical box of widths Lx = Ly = Lz = L = 4.82 nm contains eight electrons. What is the energy of the ground state of this system? Assume that the electrons do not interact with one another, and do not neglect spin.
A sleigh and driver with a total mass of 120kg are pulled up a hill with a 15degrees incline by a horse, what is the power output of the horse
A 16.0-? resistor, a 12.0-µF capacitor, and a 17.0-mH inductor are connected in series with a 155-V generator. What is the maximum value of the rms current
Two particles with masses m1 = 1 kg and m2 = 3 kg are moving toward each other along the x axis with the same initial speeds vi = 1 m/s. Find the final speeds of the two particles
A rectangular loop of wire with sides 0.23 and 0.39 m lies in a plane perpendicular to a constant magnetic field, compute magnitude of the average emf induced in the loop.
1. the peak power of a 6ft. diameter antenna is 10 watts and its duty cycle is 0.250. the wave length is 0.03mcycle.
consider a group of 20 molecules with the following speeds three have speed 1 ms four have 6 ms five have 9 ms and
The puck in the figure below has a mass of 0.280 kg. Its original distance from the center of rotation is 40.0 cm, and it moves with a speed of 75.0 cm/s. Determine the work done on the puck
A boat's mast is held by two cables, one attached to the front of the ship and the other to the back. What is the force acting upwards on the mast exerted by the boat at the bottom of the mast
A 2.62-g bullet, traveling at a speed of 417 m/s, strikes the wooden block of a ballistic pendulum, How high does the combination rise above its initial position
What is the rms current in an RL circuit when a 60.0Hz 240V rms ac voltage is applied, where R= 1.70kohm, and L= 450mH. Here I got 0.14A which is the correct answere
1 why are instruments tuned before being played as a group? in which ways do musicians tune their instruments?2 given
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