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Consider a point charge q located outside a closed surface as sketched in blue in the figure below. The electric field lines from the charge penetrate the surface. What is the total electric flux through this surface? (Use the following as necessary: Aµ0 and q.)A¦E =
A child whose weight is 262 N slides down a 4.80 m playground slide that makes an angle of 49° with the horizontal. The coefficient of kinetic friction between slide and child is 0.09.
A uniform plank of length 4.30 m and weight 226 N rests horizontally on two supports, with 1.10 m of the plank hanging over the right support (see the drawing). To what distance x can a person who weighs 437 N walk on overhanging part of the plank be..
Identify and explain the ways that humans learn (reading, writing, speaking, listening). Analyze yourself in relation to your strongest and weakest areas of learning and provide examples that reflect how you plan on improving your learning skil..
Is it possible to have a scattering similar to Compton scattering from a proton in H2 gas? What would be the Compton wavelength for a proton? What energy photon would have this wavelength?
An ideal gas has the following initial conditions: Vi = 525 cm3, Pi = 6 atm, and Ti = 100°C. Obtain what is its final temperature
One generator uses a magnetic field of 0.15 T and has a coil area per turn of 0.050 m2. What magnetic field should be used in the second generator, so that its peak emf is the same as that of the first generator
What is the minimum thickness of coating which should be placed on a lens in order to minimize reflection of 529nm light? The index of refraction of the coating material is 1.53 and the index of the glass is 1.60.
An object is 17 mm in front of a converging lens, and the image is 3 mm behind the lens. What is the focal length of the lens? Reply In mm
Four charged particles are at the corners of a square of side. (Let A = 3, B = 4, and C = 5.) (a) Determine the electric field at the location of charge q.
Compare the motion of two objects before a collision with their motion after the collision. You should be able to find a quantity, which will remain unchanged in a collision. Be sure to justify your reasoning.
The loaded cab of an elevator has a mass of 2.8 x 103 kg and moves 223 m up the shaft in 26 s at constant speed. Explain at what average rate does the force from the cable do work on the cab?
A small fly of mass 0.27g is caught in a spider's web. The web vibrates predominately with a frequency of 3.2Hz. At what frequency would you expect the web to vibrate
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