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A 12.0-V battery remains connected to a parallel plate capacitor with a plate area of 0.284m2 and a plate separation of 4.14mm .
What is the charge?
What is the store energy in the capacitor?
and what is the eletric field between plates?
A copper block is removed from a 300°C oven and dropped into 1.00 kg of water at 20.0°C. The water quickly reaches 26.5°C and then remains at that temperature. What is the mass of the copper block?
50 g ball travelling at 25.0 m/s is bounced off a brick wall and rebounds at 22.0m/s. A high-speed camera records this event. If the ball is in contact with the wall for 3.51 ms, what is the average acceleration of the ball throughout this time inter..
A gymnast of mass 69.0 kg hangs from a vertical rope attached to the ceiling. You can ignore the weight of the rope and assume that the rope does not stretch. Use the value 9.81 for the acceleration of gravity.
If the density and atomic mass of copper are respectively 8.80 103 kg/m3 and 63.5 kg/kmol, Determine the drift speed of the electrons in a 10 gauge copper wire (2.588 mm in diameter) carrying a 19.5 A current
Consider a 10-kg block resting on a frictionless plane inclined 30 o connected by a rope through a pulley to a 10-kg block hanging free. What is the direction and magnitude of the resulting acceleration of the 2-block system?
A steel rod is 3 cm in diameter at 25 C. A brass ring has an interior diameter of 2.992 cm at 25 C. At what common temperture will the ring just slide into the rod?
A jet makes a landing traveling due east with a speed of 115 m/s. If the jet comes to rest in 13.0s, what are the magnitude and direction of its average acceleration.
A string of mass 0.0003kg/m and 0.5m long is vibrating 200 cycles per second. What must be the tension? What hanging mass would generate this tension? I got 12N for tension. Is this correct? And how would you solve for hanging mass.
When a potential difference of 140V is applied to the plates of an air-filled parallel-plate capacitor the plates carry a surface charge density of 4.20E-10
An ocean liner sailing at 43.40 m/s is caught in a current flowing 11.20 m/s at 24.7 degrees east of south what is the direction (angle) of the overall speed of ocean liner.
What is the maximum amount of energy the incident electron can lose in elastically in this collision? What is left over energy of the electron.
At our distance from the Sun, the intensity of solar radiation is 1370 W/m2. The temperature of the Earth is affected by the greenhouse effect of the atmosphere.
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