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A spherical capacitor contains a solid spherical conductor ofradius 0.1 mm with a charge of 3.7 microCoulombs, surrounded by adielectric material with ?r=1.5 out to a radius of0.8 mm, then an outer spherical non-conducting shell, with variablecharge per unit volume ?=3r2, with outer radius 1.0mm. Determine the electric field everywhere.
Consider a circuit. The three resistors are identical with R1 = R2 = R3= 160 ?, and the battery voltage is 50 V. What is the current through resistor R2?
The ultrasonic transducer used in medical ultrasoundimaging, is a very thin disk ( m =0.10g) driven back and forth in SHM at 1.0 MHz by an electromagnetic coil.
A sphere of radius R has a charge Q. The electric field strength at a distance r > R is Ei. What is the ratio Ef/Ei of the final to first electric field strength if Q is halved.
You found the distance that you will cover at the same time as braking. You can utilize the expected amount of time for braking to check your answer for distance.
The distance between a loudspeaker and the left ear of a listener is 1.60 m. compute the time required for sound to travel this distance if the air temperature is 20° C.
What is the wavelength of the waves emitted by source? What is the difference in frequency between the directly radiated waves and the waves reflected from a whale traveling straight toward the ship at 4.95 ? Assume that the ship is at rest in the..
A luge and its rider, with a total mass of 104 kg, emerges from a downhill track onto a horizontal straight track with the initial speed of 53 m/s. suppose they stop with the constant deceleration of 2.30 m/s2.
What is the magnitude of the maximum torque. What is the utmost load for this crane at an angle of 15° with the horizontal.
A 92 kg climber rappels down the rope applying friction with figure eight (piece of climbing equipment ) to reduce his his downward acceleration.
A 55.5 kg ice skater is moving at 3.99 m/s when she grabs the loose end of a rope, the opposite end of which is tied to a pole. What is the ratio of this force to her weight
A hunter wishes to cross a river that is 2.10 km wide and that flows with a speed of 4.4 km/h. The hunter uses a small powerboat that moves at the maximum speed of 12.60 km/h with respect to the water.
At the intersection of Texas Avenue and University Drive, a yellow, subcompact car with mass 800kgtraveling east on University collides with a maroon pickup truck with mass 1850kg, Calculate the speed of the car before the collision
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