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An electron that has a horizontal initial speed of 4.50*106 m/s enters a region that has an electric field of 120 V/m pointing perpendicularly upward.
1) How long (in seconds) does the electron take to travel 8 cm in the horizontal direction?
2) In this same time, what is the perpendicular displacement of the electron? Treat up as positive.
A 11.0nC point charge is at the center of a 2.50m× 2.50m × 2.50m cube. find the electric flux through the top surface of the cube
A ranger in a national park is driving at 44 km/h when a deer jumps onto the road 70 m ahead of the vehicle. After a reaction time of t s, the ranger applies the brakes to produce an acceleration of -3.00 m/s2.
The electron gun in a traditional television tube fires electrons of kinetic energy 25 keV at thescreen in a circular beam 0.22 mm in diameter; 5.6 multiplied by 1014 electrons arrive eachsecond.
A professor's office door is 0.90m wide, 2.2m high, 4.2cm thick; has a mass of 28kg , and pivots on frictionless hinges. What is the moment of inertia of the door
A moth at about eye level is 11 cm in front of a plane mirror; you are behind the moth, 25 cm from the mirror. What is the distance between your eyes
A small ball is doing circular motion around a pole. The string connecting the pole and the ball is 30 degrees (?) away from the pole. Find the linear speed of the ball
in a millikan-type experiment two horizontal parallel plates are 1.0cm apart. a sphere of mass 202x10-13kg remains
If the difference in pressure on the two sides of a closed door of area 2m^2 is 0.01 atm, what is the net force on the door
An infinitely long line of charge has a linear charge density of 5.00×10−12 C/m. A proton is at distance 19.0 cm from the line and is moving directly toward the line with speed 2000 m/s. Explain how close does the proton get to the line of charge?
need these short essay questions done asap. valid reputable sources are needed as is a works cited. interned sources
Assume the acrylic D-shaped lens, What is the critcal angle of the d-shaped lens while it is in water
find a the energy absorbed as heat and b the change in entropy of a 4.60 kg block of copper whose temperature is
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