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A parallel-plate capacitor in air has a plate separation of 1.50 cmand a plate area of 25.0cm2. The plates arecharged to a potential difference of 2.50 x 102 V anddisconnected from the source. The capacitor is then immersedin distilled water. Determine (a) the charge on theplates before and after immersion, (b) the capacitance andpotential difference after immersion, and (c) the change in energystored in the capacitor due to immersion. Assume thedistilled water is an insulator.
q1. an elevator cab in the new york marriott marquis has a mass of 4.43 x 103 kg and can carry a maximum load of 1.80 x
The Rydberg constant is 1.096776 x 10^7 m^-1, What is the wavelength of the first Balmer line (j=2, k=3) for helium (z=2)
A gas increases in pressure from 2.0 atm to 6.0 atm at a constant volume of 1.0 m3 and then expands at constant pressure to a volume of 3.0 m3 before returning to its initial state. How much work is completed in one cycle.
A boat moves through the water of a river at 9 m/s relative to the water, regardless of the boat's direction. If the water in the river is flowing at 1.9 m/s, how long does it take the boat to make a round trip consisting of a 225 m displacement d..
A certain defibrillator sends 0.12 C of charge through the heart. How much energy is released when it discharges
A bullet is fired through a board 10.0 cm thick in such a way that the bullet's line of motion is perpendicular to the face of the board, Find the acceleration of the bullet as it passes through the board
A child and a sled with a combined mass of 50kg slide down a frictionless slope. If the sled starts from rest and has a speed of 3.oo m/s at the bottom, what is the height of the hill
A novice skier, starting from rest, slides down a frictionless 37.0° incline whose vertical height is 175 m. Explain how fast is she going when she reaches the bottom?
question1a boat crosses a river of width 171 m in which the current has a uniform speed of 1.51 ms. the pilot maintains
An object is 20 cm to the left of a thin diverging lens having a 10 cm focal length. Find the image position with a ray diagram
A pitcher throws a fastball horizontally at a speed of 140 km/h toward home plate, 18.4 m away. (a) If the batter's combined reaction and swing times total 0.350 s, how long (in seconds) can the batter watch the ball after it has left the pitcher's h..
Two converging lenses (f1 = 9.00 cm and f2 = 6.00 cm) are separated by 18.0 cm. The lens on the left has the longer focal length. Locate the final image relative to the lens on the right
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