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A defibrillator consists of a 16.7-µF capacitor that is charged to 9.0 kV. (a) If the capacitor is discharged in 2.0 ms, how much charge passes through the body tissues? C (b) What is the average power delivered to the tissues?
Calculate the total amount of energy that flows into the space between the capacitor plates from to , by first integrating the Pointing vector over the surface that connects the edges of the two circular plates, and then integrating over time.
Two sound sources radiating in phase at a frequency of 560 Hz interfere such that maxima are heard at angles of 0 and 25° from a line perpendicular to that joining the two sources. Find out the separation between the two sources. (Wave velocity of..
A collimated beam of microwaves impinges on a metal screen that contains a long horizontal slit that is 20cm wide. A detector moving parallel to the screen in the far-field region locates first minimum of irradiance at an angle of 36.8° above the ..
A coffee filter of mass 1.4 grams dropped from a height of 3 m reaches ground with a speed of 0.7 m/s. How much kinetic energy Kair did the air molecules gain from the falling coffee filter.
assume that the microwave radiation has a wavelength of 11.2 cm. How many photons are required to heat 235 mL of coffee from 25.0 ^circ rm C to 62.0 ^circ rm C.
There are many estimates of the number of stars in the universe. One estimate is that there are 1010 stars in the Milky Way galaxy, and that there are 1010 galaxies in the universe.
A uniform circular ring of charge Q= 7.30 microCoulombs and radius R= 1.10 cm is located in the x-y plane, centered on the origin. What is the magnitude of electric field E at point P, located at z= 2.80 cm.
What is the total force on an object if 47.2 pounds upward, and 59.3 lb to the right are acting on it? answer sketching the diagram and show mathematical calculation.
The distance between two telephone poles is 48.0 m. while a 0.600 kg bird lands on the telephone wire midway between the poles, the wire sags 0.200 m. Draw a free-body diagram of the bird. (Do this on paper. Your instructor might ask you to turn i..
A person pulls a 26kg suitcase using a rope attached to the suitcase at an angle of 28 degrees to the horizontal. The coefficient of static friction of the suitcase with the floor is 0.3 and the coefficient of kinetic friction is 0.20.
how far is this point horizontally from the end of the ramp. A skateboarder shoots off a ramp with a velocity of 6.2 m/s, directed at an angle of 61° above horizontal. The end of the ramp is 1.5 m above the ground.
On December 3 at 11 pm you look toward the eastern horizon and see the bright star Procyon rising. At approximately what time would Procyon rise one week later, on December 9.
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