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A long straight metal wire of radius r1= 3.10E-2 m is surrounded by a metalic cylindrical shell of inner radius r2= 1.19E-1 m and outter radius r3= 1.81E-1 m. The axes of the wire and the cylindrical shell coincide. The wire carries a charge per unit length 8.80E-6 C/m and the shell carries a charge per unit length -1.76E-5 C/m. Find the magnitude of the electrical field at a position p2= 1.61E-1 m?
As you stand on a pier looking at a harbor, the waves created by a large freighter come ashore. You estimate the wavelength to be 3.0 m, What is the frequency of the wave in hertz
The sound level measured in the room by a person watching a movie in a home theatre system varies from 63 dB throughout a quiet part to 92 dB throughout a loud part. In the order of how many times louder is the latter sound.
A man pushing a crate of mass m = 92.0 kg at a speed of v = 0.860 m/s encounters a rough horizontal surface of length scripted l = 0.65 m, Find the net work done on the crate while it is on the rough surface
Ultrasound probes can resolve structural details with sizes approximately equal to the wavelength of an ultrasound waves themselves. What is a size of the smallest feature observable in human tissue while examined with 25 MHz ultrasound? The speed of..
A 57-kg water skier is being pulled by a nylon tow rope that is attached to a boat. The unstretched length of the rope is 11 m, What is the change in the length of the rope when the skier has an acceleration whose magnitude is 0.90 m/s2
Under an outdoor area "yellow" [Na lamp] light, a fiber is placed between but at the edge of two 3 cm glass slides. How thick is the fiber
A uniformly charged thin ring has radius 14.5cm and total charge 20.0nC, Find the speed of the electron when it reaches the center of the ring
Illustrate what is the angular velocity of the merry-go-round now? What if the people were on it initially and then jumped off in a radial direction (relative to the merry-go-round)?
You are walking along a small country road one foggy morning and come to an intersection. While you are crossing, you hear an ambulance siren, At what speed is the ambulance traveling
The magnitude FN of the normal force that each side of the tread channel exerts on the stone is 1.8 N. Suppose that only static friction supplies the centripetal force, & find the radius r of the tyre.
a block of mass M hangs at rest. The rope that is fastened to the wall is horizontal and has a tension off 52 N. what is the angle theta
The nucleus 11-4 Be undergoes B- decay with a half-life of 13.8 sec. The atomic mass of 11-4 Be is 11.021660 u. What is the total kinetic energy of the decay products
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