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A parallel-plate capacitor is made from two aluminium-foil sheets, each 6.0cm wide and 5.4m long. Between the sheets is a Teflon strip of the same length and width that is 2.6×102mm thick.
Part A
What is the capacitance of this capacitor? (The dielectric constant of Teflon is 2.1.)
if system A has 4 cycles/pulse and is operating at 5 MHZ and system B has 5 cycles/pulse and is operating at 10 MHZ, which system has the shorter pulse duration
q1. a student stands several meters in front of a smooth reflecting wall holding a board on which a wire is fixed at
At a grinding wheel has an angular velocity of 27. It has a constant angular acceleration of 26.0 until a circuit breaker trips at time = 1.60 . From then on, it turns through an angle 433 as it coasts to a stop at constant angular acceleration.
A flutist assembles her flute in a room where the speed of sound is 342m/s . When she plays the note A, it is in perfect tune with a 440Hz tuning fork. How many beats per second will she hear if she now plays the note A as the tuning fork is sounde..
Conservation of energy tells us that energy cannot be created or destroyed. Clearly energy is required for radioactivity to occur. a. Where exactly is this energy coming from? b. How could the age of this fragment be determined?
Suppose the force acting on a tennis ball (mass 0.040 kg) points in the +x direction and is given by the graph of Fig. 7-30 as a function of time. a) Use a graphical method to estimate the total impulse given the ball.
The driver of one car sounds a 365 Hz frequency horn and the driver of the other car hears a frequency of 392 Hz, Determine the speed of both cars
On an essentially frictionless horizontal ice-skating rink, a skater moving at 2.6 m/s encounters a rough patch that reduces her speed by 48 % to a friction force that is 20 % of her weight
The average nascar car weights 3,400lbs. at a recent nascar racethe cars went flying around the banked curces at daytonainternational raceway. What is the centripetal force on the car keeping it goingaround the curve at a speed of 200 mph
Torque can be calculated by multiplying the force (N) applied at 90 degrees to the lever arm at a distance (m) from the pivot point (point of rotation), what is the torque on the lever
Incandescent lightbulbs are filled with an inert gas to lengthen the filament life. With the current off (at T = 20.0°C), the gas inside a lightbulb has a pressure of 106 kPa. When the bulb is burning, the temperature rises to 65.5°C. What is the pre..
a 108 g cube of ice at 0degc is dropped into 1.0 kg of water that was originally at 70degc. what is the final
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