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A 25.0 uf capacitor is charged to a potential difference of 850v . The terminals of the charged capacitor are then connected to those of an uncharged 11.0 uf capacitor. Compute the original charge of the system. Compute the final potential difference across capacitor. Compute the final energy of the system. Compute the decrease in energy when the capacitors are connected.
The heating element of a clothes dryer has a resistance of 16.2. What is the current in the heating element
Two point particles of charge Q1 = 43 µC and Q2 = 89 µC are found to have a potential energy of 38 J. What is the distance between the charges
A cars brakes can only accelerate the car by -10m/s^2. If the car is going 30m/s when the brakes are applied, how long would it take for the car to come to a stop.
Two acrobats, each of 60.0 kg, launch themselves together from a swing holdings hands. What should be the distance (in m) between the two swings
An iron boiler of mass 222 kg contains 860 kg of water at 20°C. A heater supplies energy at the rate of 52900 kJ/h. How long does it take for the water to reach the boiling point
A 1200-turn coil of wire that is 2.1 cm in diameter is in a magnetic field that drops from 0.14 T to 0 T in 12 ms. What is the emf of the coil
A uniform, thin, solid door has height 2.40 m, width 0.900 m, and mass 22.5 kg. Find its moment of inertia for rotation on its hinges
The two cylinders both have a radius of 1mm. Material 1 has a conductivity of 1.2 x10^4 S/m and material 2 has a conductivity of 1.4 x 10^4 S/m. Piece 1 is 6cm long and piece 2 is 8cm long.
What is the final charge of each conductor. Two identical spherical conductors X and Y are mounted on insulated stands. X carries the charge of +8.0nC and Y carries a charge of -2.0nC.
A projectile is projected from the origin with a velocity of 25.0 m/s at an angle of 50.0 degrees above the horizontal. What is the time of maximum height of the projectile? A.)2.03 s B.)3.45 s C.)1.95 s D.)2.67 s E.)3.01 s
A vacationer floats lazily in the ocean with 95% of his body below the surface. The density of the ocean water is 1025 kg/m3. What is the vacationer's average density
The frequency of an opera singer is 450 Hz. Assume the speed of sound in air is 340 m/s. What is the frequency heard by an observer who is running down the road towards the opera singer with a speed 25.0 m/s.
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