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An electron moves in a circular path perpendicular to a magnetic field of magnitude 0.200 T. If the kinetic energy of the electron is 2.70 x 10-19 Joule,
(a) Estimate the speed of the electron?
m/s
(b) Estimate the radius of the circular path?
µm
After 35 minutes of running, at the 9km points in a 10km race, you find yourself 100 m behind the leader and moving at the same speed. what should your acceleration be if you are to catch up by the finish line? assume that the leader maintains a c..
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A charge of -4.04 μC is fixed in place. From a horizontaldistance of 0.0462 m, a particle of mass 8.45 x10-3 kg and charge -8.38 μC is fired with aninitial speed of 86.0 m/s directly toward the fixed charge. What is the distance of closest approach..
Consider a merry-go-round that has the form of a disc with radius 5.5 m and mass 130 kg. what is the total moment of inertia
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an electron has a kinetic energy of 2.80 x 10-17 j. it moves on a circular path that is perpendicular to a uniform
A toy cannon uses a spring to project a 5.31-g soft rubber ball. The spring is originally compressed by 5.04 cm and has a force constant of 7.96 N/m. At what point does the ball have maximum speed
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