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Three electrons form an equilateral triangle 1.50nm on each side. A proton is at the center of the triangle.
What is the potential energy of this group of charges?
Express your answer with the appropriate units.
a cloud mass moving across the ocean at an altitude of 2000 m encounters a coastal mountain range. as it rises to a
The surface charge density on an infinite sheet is -2.0 x 10-6 coulomb. How far does the particle travel before reaching its turning point
What is a "meaningful life"? Is it a life marked by great achievements, by the accumulation of great wealth, by fame? Or is a meaningful life more complicated than the actions we take, the jobs we do, the opinions of others, and even the money we ear..
A car traveling east at 40 m/s passes trooper hiding at the road side. the driver uniformly reduces his speed to 25 m/s in 3.5 second. Find the magnitude and direction of car acceleration as it slow down
a parallel-plate capacitor in air has a plate separation of 1.64cm and a plate area of 24.8cm2. the plates are charged
a polymer molcule is 3.05μ m long. the ends of themoleculebecome singly ionized-negative on end end, determine the effective spring constant of the molecule
You now know that there is an opposite and equal reaction based on Newton's third Law and perhaps you are worried about the force of that rock hitting your spaceship (Newton's 1st Law)! Find does Newton second law play a role here
An air-track glider attached to a spring oscillates between the 15 {rm cm} marks and the 57 {rm cm} mark on the track. The glider completes 10 oscillations in 32 {rm s}.
A 70 cm diameter wheel accelerates uniformly about its center from 130 rpm to 280 rpm in 4 s. Determine its angular acceleration
A block of mass m and initial speed collides elastically with a block of mass 2m which is initially at rest. Assuming the positive direction is to the right and that there is no friction among the blocks and the surface, what is the velocity of the b..
two coaxial cylindrical conductors . the inner cylinder has radius a 2 cm length 10 m and caries a total charge of
Two trains are traveling toward each other at 30.5 m/srelative to the ground. One train is blowing a whistle at 500Hz. What frequency is heard on the other train in still air
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