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The electric field in a region of space is uniform and has value 3.2 x 10^3 N/C. It points in the positive x-direction. An electron traveling at 2.6 x 10^7 m/s in the positive x-direction enters this region now experiences a force that slows it down. How far does it have to travel (in m)before it comes to a stop?
A layer of oil (n = 1.45) floats on an unknown liquid. A ray of light originates in the oil and passes into the unknown liquid. What is the index of refraction of the unknown liquid
An Earth satellite moves in a circular orbit 660 km above the Earth's surface. The period of the motion is 97.7 min. What is the speed of the satellite? What is the magnitude of the centripetal acceleration of the satellite?
a standing wave is in a open-end tube as shown. the tube legth is L = 1.80m. determine the wavelength of the standing wave
consider a piston-cylinder device that contains nitrogen gas as the system. initially the system is at 1 mpa and
A 7.1kg rope hangs from the ceiling. What is the tension at the midpoint of the rope
light rays in a material with index of refrection 1.25 can undergo total internal reflection when they strike the
A park merry-go-round consists of a 210 kg circular wooden platform 3.90 m in diameter. Four children running alongside push tangentially along the platform's circumference until, starting from rest, the merry-go-round reaches a steady speed of on..
If the speed of a particle is increased by a factor of 10, by what factor is its momentum changed, By what factor is its kinetic energy changed
A canoe has a velocity of 0.550 southeast relative to the earth. The canoe is on a river that is flowing at 0.510 east relative to the earth. Find the magnitude of the velocity of the canoe relative to the river.
For two stars of the same surface temperature, how does their relative luminosity depend on their radii
Some rear view mirrors produce images of cars behind you that are smaller than they would be if the mirror were flat. What is the mirrors radius of curvature if cars 25.0 m away appear 0.33 times their normal size?
A defibrillator consists of a 15.3-µF capacitor that is charged to 8.4 kV. What is the average power delivered to the tissues
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