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Two 2.3-cm-diameter-disks spaced 1.8 mm apart form a parallel-plate capacitor. The electric field between the disks is 4.6×105V/m.
a. What is the voltage across the capacitor? (Express your answer with the appropriate units.)
b. How much charge is on each disk? (Enter your answers numerically separated by a comma.)
c. An electron is launched from the negative plate. It strikes the positive plate at a speed of 2.2×107m/s . What was the electron's speed as it left the negative plate?
(Express your answer with the appropriate units.)
A circuit consists of a 12.0- battery connected to three resistors (40 , 16 and 120 ) in series. Find the current that flows through the battery
You are the design engineer in charge of the crashworthiness of new automobile models. What is the average force acting on the car by the inner barrier
Romeo takes a uniform 11 m ladder and leans it against the smooth wall of the Capulet residence. The ladder's mass is 25.0 kg, and the bottom rests on the ground 2.8 m from the wall. When Romeo, whose mass is 73 kg, gets 90% of the way to the top, th..
1. a mass on a spring oscillates with a period of 2s. its maximum displacement is 0.25m. the mass is at x0 at t0.
A 4900 kg lunar lander is in orbit 60 km above the surface of the moon. How much work must the thrusters do
The upward normal force exerted by the floor is 700N on an elevator passenger who weighs 740N. What is the reaction force to the upward normal force exerted by the floor? What is the reaction force to weight of the passenger?
Water flows in a 2-ft-wide rectangular channel at a rate of 10 ft3 /s. If the water depth downstream of a hydraulic jump is 2.5 ft,
a mass of 10 kg was hung vertically from a spring. the system obtain equilibrium with a stretched length of 30 cm.a
Tsunamis are fast-moving waves generated by underwater earthquakes. In the deep ocean their amplitude is barely noticeable, but upon reaching shore, they can rise up to the astonishing height of a six-story building. One tsunami, generated off the..
0.110kg stone rests on a frictionless, horizontal surface. A bullet of mass 9.00g , traveling horizontally at 370m/s, Compute the magnitude of the velocity of the stone after it is struck
A concrete highway curve of radius 80.0 meter is banked at a 13.0 degree angle. Find the maximum speed with which a 1600 kilogram rubber-tired car can take this curve without sliding
A generator is connected to a resistor and a 0.032-H inductor in series. The rms voltage across the generator is 7.2 V. When the generator frequency is set to 110 Hz, the rms voltage across the inductor is 3.7 V. Determine the resistance of the resis..
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