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An electron is observed traveling at a speed of 25.7·106 m/s parallel to an electric field of magnitude 14000 N/C. How far will the electron travel before coming to a stop?
An 75.0 spacewalking astronaut pushes off a 640 satellite, exerting a 80.0 force for the 0.440 it takes him to straighten his arms. How far apart are the astronaut and the satellite after 1.5 min.
A loudspeaker of mass 21.0 {rm kg} is suspended the distance of h = 2.40 {rm m} below the ceiling by two cables that make equal angles with the ceiling. Each cable has a length of l = 3.90 {rm m}.
The loaded cab of an elevator has a mass of 3.6 x 10^3 kg and moves 193m up the shaft in 20s at constant speed. At what average rate does the force from the cable do work on the cab.
Electric field lines from a charged flat plate in air to the parallel flat plate with the opposite charge (a dc capacitor). Within this space, small (compared to the size of the plates) rectangles of non -conducting and conducting materials.
Two points are located on a rigid wheel that is rotating with an increasing velocity about fixed axis. The axis is perpendicular to the wheel at its center. Point 1 is located on the rim and point 2 is halfway between rim and axis .at any given insta..
What must the charge (sign and magnitude) of the particle of mass 1.42 g be for it to remain stationary when placed in a downward-directed electric field of magnitude 650 N/C.
Two point charges q1 = 3.40 nC and q2 = -5.50 nC are 0.100m apart. Point A is midway between them; point B is 0.080 m from q1 and 0.060 m from q2. Take an electric potential to be zero at infinity.
Yellow light that has a wavelength of 6.32 x10^2 nm passes through two narrow slits that are 0.201 mm apart. An interference pattern is produced on a screen 183 cm away. What is the location of the first-order image.
The electric field everywhere on the surface of a thin spherical shell of radius 0.780m is measured to be equal to 940 N/C and points radially toward the center of the sphere.
A 60 kg woman stands on a very light, rigid board that rests on the bathroom scale at each end. She is 1.5m away from one side and 0.5 m from the other.
Conclude the magnitude and directional angle
Find graphically magnitude and direction of resultant force
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