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If the electric field inside a capacitor exceeds the dielectric strength of the dielectric between its plates, the dielectric will break down, discharging and ruining the capacitor. Thus, the dielectric strength is the maximum magnitude that the electric field can have without breakdown occurring. The dielectric strength of air is 3.0x106 V/m, and that of the neoprene rubber is 1.2 x 107 V/m. A certain air-gap, parallel plate capacitor can store no more than 0.028 J of electrical energy before breaking down. How much energy can this capacitor store without breaking down after the gape between its plates is filled with neoprene rubber?
A 650 kg elevator starts from rest. It moves upward for 4.50 s with constant acceleration until it reaches its cruising speed, 1.75 m/s. What is the average power of the elevator motor during this period
When two unknown resistors are connected in series with a battery of fixed potential difference V, the battery delivers a power Ps When two unknown resistors are connected in parallel with the same battery,
A violinist is trying to tune her instrument to 512 Hz, but it is at 491. By what percent does she have to change the tension to tune the violin? Answer A) 1.2% B) 4.1% D) 8.7% E) 12.1% F) 14.5%
An electric field of intensity 3.5*103N/C is applied the x axis. Calculate the electric flux through a rectangular plane 0.35m wide and 0.70m long
q1. youre carrying a 4.0-m-long 25 poles to a construction site when you choose to stop for a rest. you place one end
The liquid level system shown in the below figure is initially at the steady state with the inlet flow rate at 1 cfm. Calculate the maximum & minimum values of the output.
A standing wave pattern is created on a string with mass density = 0.00035 kg/m . A wave generator with frequency f = 62 Hz is attached to one end of the string and the other end goes over a pulley and is connected to a mass (ignore the weight of ..
A 0.12kg rubber ball is dropped from a height of 1.0m above the floor and it bounces back to a height of 0.80m, How much energy is lost
a heavy but uniform rope of length l is suspended from a ceiling .a particle is dropped from the ceiling at the instant when the bottom end is given the jerk. where will the particle meet the pulse
Charges 6.8 ?C, 6.1 ?C, and -1.5 ?C are brought from infinity to the respective vertices of an equilateral triangle with 11.0 cm sides. What is the potential at the center of the triangle
A rectangular plate has a length of (20.4 0.2) cm and a width of (8.7 0.1) cm. Calculate the area of the plate
a 1300- kg car rolling on a horizontal surface has speed v 60kmh when it strikes a horizontal coiled spring and is
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