** you pull a rope oriented at a 37° angle above the horizontal. the other end of the rope is attached to the front of the first of two wagons that have the same 30-kg mass. the rope exerts a force of magnitude t1 on the first wagon. the wagons are connected by a second horizontal rope that exerts a force of magnitude t2 on the second wagon. determine the magnitudes of t1 and t2 if the acceleration of the wagons is 2.0 m⁄s2.
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What is the radius of the circular path ofa charged particle in a magnetic field?
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Given the position vector of the particle r(t)=(t+1)i+(t^2−1)j+2t k, find the particle's velocity and acceleration vectors at t=1
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Electromagnetic induction. a coil of wire contains n turns and has an electrical resistance r. the radius of each turn is a. initially, inside the coil there exists a uniform magnetic field of magnitude b0 parallel to the axis of the coil. the magnetic field is then reduced slowly. the current induced in the coil is i. how long does it take for the magnitude of the uniform field to drop to zero?
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The force it would take to accelerate an 900-kg car at the rate of 6m/s2
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** you pull a rope oriented at a 37° angle above the horizontal. the other end of the rope is attach...
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